Vous avez cherché: sisters of bond (Anglais - Latin)

sisters of blood
sorores in sanguinem

sisters of the saints
servarum sacri

sister of
fratrum

poverty is the sister of good mind
acerba sunt bella fratrum.

for not only was his wife the sister of domitian, but also his brother sabinus was slain by the order of the emperor
itaque magnopere verebatur ne idem sibi accideret

and the sons of his wife hodiah the sister of naham, the father of keilah the garmite, and eshtemoa the maachathite.
et filii uxoris odaiae sororis naham patris ceila garmi et esthamo qui fuit de machath

and hadad found great favour in the sight of pharaoh, so that he gave him to wife the sister of his own wife, the sister of tahpenes the queen.
et invenit adad gratiam coram pharao valde in tantum ut daret ei uxorem sororem uxoris suae germanam tafnes regina

abamita, abamitae great-great-great aunt; (sister of abavus/gt-gt-grandfather); female ancestor;
abamita