Burchard IV. v.Mansfeld-Querfurt	Sophie v.Lüchow	Albrecht V. v.Wernigerode
Burchard V. v.Mansfeld-Querfurt		Oda (1) v.Wernigerode

Siegfried I. v.Mansfeld+[1346,1349]

---

Do you see errors?/Do you have hints?