Gudula of Brussels
- Short biography says she was a cousin of St. Gertrude of Nivelles.
- http://www.saintpatrickdc.org/ss/0108.htm#gudu

Gudule
- Profile says she was the niece of St. Gertrude of Nivelles, and died in 712.
- http://www.catholic-forum.com/saints/saintg36.htm

St. Gudula
- In Latin, Guodila. Born in Brabant, one of a family of saints. She died in the early eighth century.
- http://www.newadvent.org/cathen/07056b.htm