William Deincourt 3rd Baron Deincourt [17525] 25
- Born: 1355
- Marriage: Alice Neville Baroness Deincourt [2975] [LH7J-SSK] before 1380 in Raby, Durham, England
- Died: 1381 at age 26
William married Alice Neville Baroness Deincourt [2975] [LH7J-SSK] [MRIN: 8356], daughter of John de Neville 3rd Baron Neville of Raby [2963] [LZJP-T5W] and Maud Percy Baroness Neville of Raby [2964] [KH82-8RM], before 1380 in Raby, Durham, England. (Alice Neville Baroness Deincourt [2975] [LH7J-SSK] was born about 1358 in Raby, Durham, England and died on 14 Oct 1381.)
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