1. Son of Ishmael
And these are the names of the sons of Ishmael, by their names, according to their generations: the firstborn of Ishmael, Nebajoth; and Kedar, and Adbeel, and Mibsam, (Genesis 25:13)
These are their generations: The firstborn of Ishmael, Nebaioth; then Kedar, and Adbeel, and Mibsam, (1 Chronicles 1:29)
2. Son of Shallum
Shallum his son, Mibsam his son, Mishma his son. (1 Chronicles 4:25)