Female Ephrathah bint Machir

Ephrathah bint's father is Machir ben Manasseh and her mother is Maacah bint Iri.  Her paternal grandparents are מנשה and Ashriel concubine Manasseh; her maternal grandfather is Iri ben Bela  ben Benjamin.  She is the oldest of four children.  She has a brother and two sisters, named Gilead ben, Hammoleketh bint and אביה bint.

Ephrathah bint's family with Caleb ben Hezron ben Pharez

Caleb ben and Ephrathah bint are married (further details are not known). They have a son named Hur ben.