Beatrice, Countess of Arundel
Beatrice of Portugal, LG, was a natural daughter of John I of Portugal and Inês Pires born before the marriage of her father with Philippa of Lancaster. She was a sister of Afonso, Duke of Braganza and half-sister of King Edward of Portugal, Infante Peter, Duke of Coimbra, Henry the Navigator, Isabella of Portugal, John, Lord of Reguengos de Monsaraz, and Ferdinand the Saint Prince. Queen Philippa was in charge of the education of both of her husband's children out of wedlock.
Beatrice was born ca. 1380, possibly in Veiros, Alentejo, Portugal. In April 1405 her wedding with Thomas Fitzalan, 12th Earl of Arundel by proxy was celebrated in Lisbon and, in the same year, she travelled to England, accompanied by her brother Afonso and many of the king's vassals and her ladies-in-waiting where the marriage ceremony took place on 26 November 1405 in London, with King Henry IV in attendance.
Thomas died on 13 October 1415. Beatrice then married , then John Holland, Earl of Huntingdon in 1432, and finally Talbot's steward, Thomas Fettiplace of East Shefford in Berkshire.
is a multivolume book written in 1756 outlining the genealogy of the Peers of England. The following is from page 406+, and as it is out of copyright is quoted in full here.
Beatrice died in Bordeaux, France in November 1439.Ancestry