Cyneburg
f.
Old English cyne 'royal, kingly' + Old English burh 'fortress, castle, stronghold'.
The name of a 7th C Mercian saint.
Cite as: S.L. Uckelman. "Cyneburg". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Cyneburg.