Sentence:  After this Merlyn told vnto kynge Arthur of the prophecye / that there shold be a grete batail besyde Salysbury and Mordred his owne sone sholde be ageynste hym / Also he tolde hym that Basdemegus was his cosyn and <WSD>germayn</WSD> vnto kynge Vryence 
Meaning of the word marked with <WSD> tags:  Closely related, akin.