Burchard von Zollern[?] was born before 1025 and died in 1061.
Burchard's son was Friedrich von Zollern[?], born before 1055, died 1114/15 .
... by David Barsamian[?]. It was first published in the UK by Pluto Press[?] in 1996. The contents runs as follows: Introduction Looking Ahead: Tenth Anniversary ...