Cook Family Ancestry Joao of Portugal Grand Master of Santiago [13339] This title is just so we know which tree we are working in, as there are many families represented here.

Pedro I the Justicer of Portugal King of Portugal, Algarve [11914]
(1320-1367)

Teresa Gille Lourenco [13347]

John of Gaunt Plantagenet 1st Duke of Lancaster, King of Castile and Leon. [3685]
(1340-1399)

Blanche of Lancaster Plantagenet Countess of Derby [8810]
(1341-1368)

John I 'o Falso' of Avis King of Portugal [13332]
(1358-1433)

Phillippa of Lancaster Plantagenet Queen of Portugal [13341]
(1360-1415)

Joao of Portugal Grand Master of Santiago [13339]
(1400-1442)

Family Links

Spouses/Children:
Isabella de Bragança [13338]

Joao of Portugal Grand Master of Santiago [13339] ²⁴

Born: 13 Jan 1400, Santarem
Marriage: Isabella de Bragança [13338] on 11 Nov 1424
Died: 18 Oct 1442, Alcacer-de-Sal at age 42
Buried: Batalla

bullet General Notes:

Duke of Beja, Constable of Portugal.
http://www.hull.ac.uk/php/cssbct/cgi-bin/gedlkup.php/n=royal?royal10580

Joao married Isabella de Bragança [13338] [MRIN: 6252], daughter of Alfonso de Bragança Duque de Braganza [13334] and Beatriz Pereira Cdsa da Barcellos [13335], on 11 Nov 1424. (Isabella de Bragança [13338] was born in Oct 1402, died on 26 Oct 1465 in Arevalo and was buried in Batalla.)

Joao of Portugal Grand Master of Santiago [13339] 24

Joao of Portugal Grand Master of Santiago [13339] ²⁴