Tara Kent, Lifepardner to Willow & Clark Kent, gained her newly found powers from this episode...
Xander's Gathering Ladies Of Might Series.
In where both Willow & Tara gain the superpowers of Mary Marvel & Powergirl respectively ...
Tara later on joins up with her lover and lifePartner(s) Willow & Clark whom had married and is likewise shown with their respective kids
Here are some other scenes from their domestic interactions
Sisters n Law
No Mercy Pt 1 & 5
Art © SE Kimble