Mudgalapurana 2.29.38

2.29.38

ante tatraiva līnāśca vayaṃ putra na saṃśayaḥ |
tasmādādau gaṇeśānaḥ pūjyo mātā pitā smṛtaḥ ||

In the end, my son, we are dissolved into him alone, there is no doubt; / therefore Gaṇeśāna is worshipped first; he is remembered as mother and father.