Main Blackett Tree

Interactive tree of Roger Bertram

Roger Bertram 1244–1311
Sir Roger Bertram 1218–1262
Laderna … –
Sir Richard Bertram 1203–1239
Sarah … –
Sir Robert Bertram 1176–1213
Mabel de Clere 1135–1221
Sir Richard Bertram 1130–1197
Menebell Gisulph 1135–