pitrbhih

pitṛbhiḥ — by the parental guardians; SB 1.12.31
pitṛbhiḥ — along with the residents of Pitṛloka; SB 1.15.49
pitṛbhiḥ — by the Pitās; SB 4.6.8
pitṛbhiḥ — by the forefathers, the father and grandfather; SB 4.8.37
pitṛbhiḥ — by forefathers; SB 4.12.26
pitṛbhiḥ — with your forefathers; SB 7.10.18
pitṛbhiḥ — by their fathers; SB 10.29.8
pitṛbhiḥ — with their fathers; SB 11.30.19