Raha retains the "Tia", but his twin children with Davaa have Davaa's surname. So the little family is:

Davaa Dazkar (spouse)
G'raha Tia (husband)
Challa Dazkar (daughter)
Baku Dazkar (child)

The twins call their parents "renny and daddy".

#lore:davaa #lore:challa #lore:baku