Isis breastfeeding Harpocrates, Greek counterpart of Horus.
Watercolor reproduction by Hamzeh Carr of the wall painting from Karanis, detail of wall-painting from SE corner of house B50E. Graeco-Roman Egypt, near Fayum, 20 BCE.
https://exhibitions.kelsey.lsa.umich.edu/galleries/Exhibits/Byzantium/Isis.html