I know the family tree is confusing so here is the family tree other than Arpita's(Already in the beginning of the story)and Gayatri(She's not married)
Things to note.
(♡) = Marriage
(~) = Their children.
(-)= Grand children
(•)= Great grand children.
Kalyani ♡ Abhay Kumar
~Sagar♡Vahini
- Saarya(27)
-Ruhaan (32)♡Aarti(29) •Aarav(4)
~Aakriti ♡ Akarsh
-Vihaan (21)
Latika ♡ Abheer Maheshwari
~Krish♡ Priya
-Ruhi and Pihu (19)