Baron Robert Martin, I of Dartington Athelhampton
1235 - 1285 (50 years)Drag or scroll to see more of the chart.
Baron Robert Fitzmartin, I of Blagdon
1084-1159
1084-1159
Baroness Alice De Nonant
1100-1175
1100-1175
Baron William Fitzmartin, I of Cemais
1135-1216
1135-1216
Baroness Avice De Torrington
1165-1246
1165-1246
Ralph Fitzwilliams
1150-
1150-
Yolanda Mohun
1166-
1166-
Baroness Isabel Fitzwilliams
1200-1282
1200-1282