
There is a doha in Ramacharitmanas in Baal Kaand during Shiv-Parvati Vivah
मुनि अनुसासन गणपतिही, पूजेऊ सम्भू-भावनि|
कोउ सुनि संसाय करई जनि, सुर अनादि जिय जानि||
But Ganpati was the son of Shiv and Parvati, during their marriage he was not born so how come they are worshipping him?