 Nyorai kuenderera mberi kweiyi ndima - Muchirevo ichi baba vaMartha John, ishe mukuru weOccitan uye, muranda waMambo weFrance, akaonekwa mumaziso aMambo Peter uye kunyangwe vaive vavengi panguva yeHondo yevaPeter Vaviri, akanga ari inishuwarenzi yakanaka mukurwisana netyisidziro yeCastilian. Count weArmagnac aida kusimbisa nzvimbo yake muOccitan uye muFrance ndokuwana mubatsiri akanaka mukurwisana nomukwikwidzi wake, maCounts of Foix. Nhaurirano dzakatanga muzhizha ra 1372 uye chibvumirano chemuchato chakasainwa musi wa 27 Kurume 1373 chemuchato waMarita naJohn, mwanakomana waMambo Peter IV. Muchato wacho wakanga wakaenzana nechiverengero chezvomuchadenga chemapaundi 150 000. Martha akagamuchirwa nomufaro mukuru pamuganhu maererano nemanyuko aMartin, munununa waJohn muduku. 