Below is my own update to the Unborn Val'kyr guide that includes all confirmed spawn points. It would be great if this could get optimized/added to the main pet guide.

Code:
ZygorGuidesViewer:RegisterGuide("Zygor's Alliance Pets & Mounts Guide\\Pets\\Unborn Val'kyr",[[
description This guide will walk you through obtaining
description the Undead pet:Unborn Val'kyr
pet 1238
step
'This pet is very rare, so you may be searching for a while.
|confirm
step
label "start"
goto Borean Tundra 48,8
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm
|modeldisplay 48650
step
goto Borean Tundra 80,48
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm
|modeldisplay 48650
step
goto Borean Tundra 32.7,60.1
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm
|modeldisplay 48650
step
goto Sholazar Basin 58.5,22.0
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm
|modeldisplay 48650
step
goto Sholazar Basin 44.47,69.59
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm
|modeldisplay 48650
step
goto Sholazar Basin 36.8,19.4
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm
|modeldisplay 48650
step
goto Icecrown 47.9,86.6
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm
|modeldisplay 48650
step
goto Icecrown 73.8,64.5
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm
|modeldisplay 48650
step
goto The Storm Peaks 42.5,78.5
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm
|modeldisplay 48650
step
goto The Storm Peaks 65,41
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm
|modeldisplay 48650
step
goto The Storm Peaks 29.0,50.0
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm
|modeldisplay 48650
step
goto Dragonblight 82,66
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm
|modeldisplay 48650
step
goto Dragonblight 26.9,54.1
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm
|modeldisplay 48650
step
goto Dragonblight 64.4,43.7
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm
|modeldisplay 48650
step
goto Zul'Drak 57.0,39.8
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm |next "start"
|modeldisplay 48650
step
goto Zul'Drak 75,22
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm |next "start"
|modeldisplay 48650
step
goto Zul'Drak 24.3,63.7
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm |next "start"
|modeldisplay 48650
step
goto Grizzly Hills 61,18
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm |next "start"
|modeldisplay 48650
step
goto Grizzly Hills 79.60,50.79
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm |next "start"
|modeldisplay 48650
step
goto Grizzly Hills 26,57
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm |next "start"
|modeldisplay 48650
step
goto Howling Fjord 71.91,43.39
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm |next "start"
|modeldisplay 48650
step
goto Howling Fjord 45,43
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm |next "start"
|modeldisplay 48650
step
goto Howling Fjord 68.10,67.63
.' The _Unborn Val'kyr_ is level 23. Challenge it to a pet battle and capture it.
..learnpet Unborn Val'kyr##71163 |next "end"
.' Click here if the pet is not available at this location. |confirm |next "start"
|modeldisplay 48650
step
label "end"
.' Congratulations, you have obtained the _Unborn Val'kyr_ pet!
]])
If you want to use this guide, change the name and save the entire thing as Guide01.lua in the ZygotGuidesViewer folder.