Claim: Gerald FitzGerald, Thomas Butler, and Gilbert Talbot all held the title of "Earl" as peers of Ireland; this wasn't unusual, as multiple people, including Henry Frederick Stuart and Ludovic Stewart, held the title of "Marquess" in England at the same time.
Evidence: His Grace
The Duke of Lennox Henry Frederick, Prince of Wales KG (19 February 1594 – 6 November 1612) was the eldest son and heir apparent of James VI and I, King of England and Scotland, and his wife Anne of Denmark.