Main Blackett Tree

Interactive tree of Laderna …

Sir Robert Bertram 1307–1363

Margaret de Felton 1293–1353

Sir Robert Bertram 1287–1314

Agnes … 1293–1353

Roger Bertram –

Alice Gobyon 1269–

Sir Robert Bertram 1242–1302

Roger Bertram 1244–1311

Richard Bertram 1246–

Laderna … –

Sir Roger Bertram 1218–1262

Sir Richard Bertram 1203–1239

Sarah … –

Sir Robert Bertram 1176–1213

Mabel de Clere 1135–1221

Sir Richard Bertram 1130–1197

Menebell Gisulph 1135–

Sir William Bertram 1075–1152

Hawise de Baliol 1103–

Sir Simon Gisulph –