And Maachah the wife of Machir bare a son, and she called his
name Peresh; and the name of his brother was Sheresh
He had both these sons by her:
and his sons were Ulam and Rakem,
that is, either the sons of Peresh or Sheresh, the nearest, as Kimchi observes.
The Brenton translation of the Septuagint is in the public domain.