One god under two names, across The Gift of the Nile.
Maahesmaa-hesLion of the Massacre — son of Bastet, wielder of the scimitarThe Gift of the NileNefertumne-fer-tumThe Lotus God — son of Ptah and SekhmetThe Gift of the Nile
Why the sources call them one god
The composite Maahes-Nefertum, found at Memphis, links him to the lotus-child of the Memphite triad