Richard de Clare, "Strongbow", 2nd Earl of Pembroke , born 1130,
led Anglo-Norman invasion of Ireland in 1169, during the reign of Henry II ,
married in 1171 to Aoife Mac Murrough, Princess of Leinster [descendant of Brian Boru],

In 1172 he and his wife's uncle Archbishop Laurence O'Toole started the re-building in stone of Christ Church Cathedral, Dublin [originally founded by Sitric, Viking King of Dublin 1038], the crypt counts as Dublin's oldest surviving building.

Strongbow built the first castle at Kilkenny 1172.

Through his wife, he inherited Dunamase, Co. Laois, Ireland.
He was Lord-Lieutenant of Ireland 1173-6.
He died in 1176, age 46 yrs, and is burried in Christ Church Cathedral, Dublin, Ireland.

Strongbow's tomb in Christ Church was wrecked when the south wall and roof collapsed in 1562. The monument now known as "Strongbow's tomb" is in fact the effigy of a different Norman knight but is believed to contain some of Strongbow’s bones.