Ganesha
गणेश
Shiv's elder son
Ganesha's origin, his quarrel with the ganas, the severing of his head and his restoration as lord of the ganas are told in the Rudra Samhita's Kumara Khanda.
Where the Purana tells it
The Kumara Khanda gives Ganesha's origin, the quarrel with the ganas, a description of his battle, the severing of his head, his return to life, the title of Ganadhipa and his marriage, across chapters 13 to 20. This page links to them rather than retelling them.
Read the source chapters
Source note
A short bridge page. Everything stated comes from this site's own Shiva Purana translation or stotras; follow the links for the full chapters.