Of the sons
ben (bane)
a son (as a builder of the family name), in the widest sense (of literal and figurative relationship, including grandson, subject, nation, quality or condition, etc.
of Gershom
Gershom (gay-resh-ome')
Gereshom, the name of four Israelites -- Gershom.
Shebuel
Shbuw'el (sheb-oo-ale')
captive (or returned) of God; Shebuel or Shubael, the name of two Israelites -- Shebuel, Shubael.
was the chief
ro'sh (roshe)
the head (as most easily shaken), whether literal or figurative (in many applications, of place, time, rank, itc.)