Machir’s wife Maacah gave birth to a son, and she named him Peresh. His brother was named Sheresh, and his sons were Ulam and Rekem.
Jewish Publication Society of America Version (JPS1917) - 1 Chronicles 7:16 >And Maacah the wife of Machir bore a son, and she called his name Peresh; and the name of his brother was Sheresh; and his sons were Ulam and Rekem.