Burchard I Querfurt Of Mansfeld Count
Burchard I Querfurt is no longer alive.

 Sophie Of Mansfeld Countess
Sophie was born in 1201.  She died at the age of 61 in 1262.  She was buried in 1262.

 Burchard III Of Mansfeld Count
Burchard III was born about 1216.  He died in 1273.  He was buried in 1273.