<prompt> Translate the following text to EnglishMkataba wa Windsor wa 1386 ulianzisha uhusiano wa karibu na Uingereza, na mwaka mmoja baadaye Joao wa Avis aliolewa na Philippa wa Lancaster, binti ya John wa Gaunt.  <response>: A new alliance with England was sealed in the 1386 Treaty of Windsor; a year later Joao of Avis married Philippa of Lancaster, the daughter of John of Gaunt. 