And he that offered
qarab  (kaw-rab')
to approach (causatively, bring near) for whatever purpose
his offering
qorban  (kor-bawn')
something brought near the altar, i.e. a sacrificial present -- oblation, that is offered, offering.
the first
ri'shown  (ree-shone')
first, in place, time or rank (as adjective or noun) -- ancestor, (that were) before(-time), beginning, eldest, first, fore(-father) (-most), former (thing), of old time, past.
yowm  (yome)
a day (as the warm hours),
was Nahshon
Nachshown  (nakh-shone')
enchanter; Nachshon, an Israelite -- Naashon, Nahshon.
the son
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 Amminadab
`Ammiynadab  (am-mee-naw-dawb')
people of liberality; Amminadab, the name of four Israelites -- Amminadab.
of the tribe
matteh  (mat-teh')
rod, staff, tribe.
of Judah
Yhuwdah  (yeh-hoo-daw')
celebrated; Jehudah (or Judah), the name of five Israelites; also of the tribe descended from the first, and of its territory -- Judah.