Osiris' body traveled out to sea and eventually his coffin became lodged in a great tamarisk tree growing near Byblos in Phoenicia.

What happened to Osiris?

According to the form of the myth reported by the Greek author Plutarch, Osiris was slain or drowned by Seth, who tore the corpse into 14 pieces and flung them over Egypt. ... His son Horus successfully fought against Seth, avenging Osiris and becoming the new king of Egypt.

What happened to Osiris after he is brought back to life?

The grieving Isis reassembled the parts and magically brought him back to life. Since he was the first living thing to die, he subsequently became the lord of the dead. His death was avenged by his son Horus, who defeated Set and cast him out into the Western Desert.