Wiki information Shammua:

Eleazar ben Shammua
Man, Person

Eleazer ben Shammua or Eleazar I was a Mishnaic teacher of the 4th generation, frequently cited in rabbinic writings without his patronymic. He was of priestly descent and rich, and acquired great fame as a teacher of traditional law.

Man, Person

Shammua was the son of David and Bathsheba.