Bungo and Belladonna

This is the relationship between the hobbits, Bungo Baggins and Belladonna Took.

Bungo fell in love with Belladonna Took despite her being a Took and he was a Baggins. He later built  Bag End for her. They eventually married and had a son, and named him Bilbo. The two of them were very implied to have a strong relationship.