Complex sentence: The family consists of Indravadan Sarabhai and his wife Maya, who live in an apartment with their younger son Rosesh, and their elder son Sahil and his wife Manisha live in the opposite flat.
Split into simpler sentences: The family consists of Indravadan Sarabhai and his wife Maya, who live in an apartment with their younger son Rosesh. Their older son Sahil and his wife Manisha live in the opposite flat.