Meaning of the Sanskrit Word: vrsnibhih

  vṛṣṇibhiḥ—by the descendants of Vṛṣṇi    SB 1.11.11
  vṛṣṇibhiḥ—in the company of the Vṛṣṇis, those who were born in the Vṛṣṇi family    SB 10.1.11

Can't find any compound Sanskrit words containing vrsnibhih.