Nicholas de la Beche
Beche was sent in 1345 as one of the Commissioners to treat the betrothal of the English princess Joanna with Peter of Castile , the eldest son of King Alfonso XI of Castile and Maria of Portugal . 
<triplet> Peter of Castile <subj> King Alfonso XI of Castile <obj> father <subj> Maria of Portugal <obj> mother <triplet> King Alfonso XI of Castile <subj> Peter of Castile <obj> child <subj> Maria of Portugal <obj> spouse <triplet> Maria of Portugal <subj> King Alfonso XI of Castile <obj> spouse