John FitzGerald, 1st Baron Desmond

Irish founder of the Desmond line of the FitzGerald dynasty (d. 1261)

Parents

• Ellinor de Marisec
• Thomas FitzMaurice FitzGerald

Children

• Olyvia fitz John
• Thomas fitz John
• Sir Maurice Buidhe fitz John, 1st Knight of Kerry
• Sir John fitz John, 1st Knight of Glin
• Sir Gilbert fitz John
• Maurice FitzJohn FitzGerald
• Philip fitz John

Siblings

• Maurice fitz Thomas

Partners

• Honora O'Connor
• Margery fitz Thomas