Premise: Edward Stafford, 3rd Baron Stafford (7 January 1535 – 18 October 1603) was the second surviving son of Henry Stafford, 1st Baron Stafford and Ursula Pole, the younger brother of Henry Stafford, 2nd Baron Stafford. He served in Parliament for Stafford and succeeded his brother to the barony in 1566.
Hypothesis: 1st Baron Henry Stafford and Ursula Pole had a single son.