Original sentence: Isabel was born in 1172 in Ireland, the eldest child of Richard de Clare, 2nd Earl of Pembroke (1130 – 20 April 1176), known in history as Strongbow and Aoife of Leinster, the daughter of Dermot MacMurrough, King of Leinster and Mor O'Toole
Edited sentence: Isabel was born in 1172 in Ireland, the eldest child of Richard de Clare, 2nd Earl of Pembroke (1130 – 20 April 1176), known to history as Strongbow and Aoife of Leinster, the daughter of Dermot MacMurrough, King of Leinster and Mor O'Toole