https://fmg.ac/Projects/MedLands/SAXON%20NOBILITY.htm#HermannIILipp...
BERNHARD [III] zur Lippe (-[Dec 1264/Jan 1265]) ... m (before 4 May 1240) SOPHIE von Arnsberg, daughter of GOTTFRIED [III] Graf von Arnsberg & his first wife --- ... Bernhard [III] & his wife had [ten] children:
f) HEDWIG (-5 Mar 1315, ... m (before 29 Sep 1258) OTTO [III] Graf von Ravensberg, son of LUDWIG Graf von Ravensberg & his second wife Adelheid von Dassel (1246-25 Mar [1305/06]).
