William FitzGerald, 13th Earl of Kildare - Irish Biography

FitzGerald, William, 13th Earl of Kildare, brother of preceding, was born about 1563. Returning from a visit to England in March 1599, prepared to accompany the Earl of Essex in the war against O'Neill, he perished at sea with "eighteen of the chiefs of Meath and Fingall."

Sources

202. Kildare, The Earls of, and their Ancestors: from 1057 to 1773, with Supplement: Marquis of Kildare. 2 vols. Dublin, 1858-'62.