And Zipporah took a stone, and circumcised the foreskin of Gershom her son, and brought the severed part to the feet of the angel, the Destroyer, and said, The husband sought to circumcise, but the father-in-law obstructed him; and now let this blood of the circumcision atone for my husband.
Zipporah Circumcises Gershom to Save Moses from the Destroyer
Targum Pseudo-Jonathan on Exodus 4:25