She was born in TA 2994 (SR 1394) the third child of Seredic Brandybuck and Hilda (Bracegirdle) Brandybuck who were long descendants and inheritors of the Masters of Hall of Buckland. Her brothers were Doderic and Ilberic. She was a cousin of Frodo Baggins and one of the many Hobbits that attended Bilbo's Farewell Birthday Party.
- The Lord of the Rings: Appendix C, "Brandybuck of Buckland", a hobbit family tree; pg. 1106 in the Hougton Mifflin publication.