Adaldrida was born in TA 2818 (SR 1218). She married Marmadoc Brandybuck and had two children, the later well-known Gorbadoc and Orgulas Brandybuck, and two other unnamed daughters. Her date of death is unknown.
- The Lord of the Rings: Appendix C, "Bolger of Budgeford" pg. 1202
- The Lord of the Rings: Appendix C, "Brandybuck of Buckland" pg. 1204
- The Complete Guide to Middle-earth
- The Peoples of Middle-earth, Bolger family tree