John I 'o Falso' of Avis, King of Portugal, b. 11 Apr 1358, Ribeira Palace, Lisbon, Kingdom of Portugal and the Algarves d. 14 Aug 1433, Ribeira Palace, Lisbon, Kingdom of Portugal and the Algarves (Age 75 years)
[S36] Brian Tompsett, Dept of Computer Science, University of Hull, England(B.C.Tompsett@dcs.hull.ac.uk), Directory of Royal Genealogical Data, (This work is Copyright b 1994-2002 Brian C Tompsett).