From BiblePortal Wikipedia

Webster's Dictionary [1]

(1): (imp. & p. p.) of Ally

(2): (a.) United; joined; leagued; akin; related. See Ally.

King James Dictionary [2]

ALLI'ED, pp. Connected by marriage, treaty or similitude. See ally.

International Standard Bible Encyclopedia [3]

a - lı̄d ´ (קרב , ḳārōbh , "near," as in  Genesis 45:10;  Exodus 13:17 , etc.):  Nehemiah 13:4 refers either to family ties, as in Rth 2:20, or to intimate association.