Et Guion de Bourgoyne a Myn owen nevewe so trewe’ a lui apelle, Fils est de sasoror et de sa parente: Cosins, vous en irrés .
He terms her 'soror Hugonis de Grentemaisnil de clara stirpe Geroianorum', though she was only descended from the famous Geroy through her mother.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "soror" in a variety of sentences. We hope that you will now be able to make sentences using this word.