William Marshal
William was born in 1146 in Pembroke, Pembrokeshire, Wales.¹   He died at the age of 73 on May 14th, 1219 in Caversham Manor, England.¹ 

 Countess Isabel 'Of Pembroke' De Clare
Countess Isabel 'Of Pembroke' was born in February 1172 in Pembroke, Pembrokeshire, , Wales.²   She died at the age of 48 in 1220 in Pembroke, Pembrokeshire, , Wales.³ 

 Eve Marshall
Eve was born in 1198 in Pembroke, Pembrokeshire, , Wales.²   She died at the age of 48 in 1246 in South Wales, Erie, New York, United States.² 

 Isabel Marshall
Isabel was born on October 9th, 1200 in Pembroke, Pembrokeshire, , Wales.⁴   She died at the age of 39 on January 17th, 1240 in Berkhampstead, Hertfordshire, , England.⁴ 

 + Sibyl Marshall
+ Sibyl was born in 1209 in Pembroke, Pembrokeshire, , Wales.⁵   She died at the age of 36 on April 27th, 1245 in Pembroke, Pembrokeshire, , Wales.⁵