Burchard von Zollern[?] was born before 1025 and died in 1061.
Burchard's son was Friedrich von Zollern[?], born before 1055, died 1114/15 .
... mental retardation coarse face[?] Angiolipoma[?] Angioma hereditary neurocutaneous[?] Angiomatosis encephalotrigeminal[?] Angiomatosis leptomeninge ...