*St. Osyth of Mercia

father:
*Frithwold UnderKing of Surrey
(end of information)

mother:
*Wilburga of Mercia

siblings:
unknown

spouse:
*Sigehere King of Essex
died about 0683

children:
*Offa King of Essex
died 0709 (probably) Rome

biographical and/or anecdotal:

notes or source:
ancestry.com