<prompt> Translate the following text to SwahiliA 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.  <response>: Mkataba 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. 