English Theasurus that shows all the ways the English word is translated from the original Greek and Hebrew.
English Theasurus from the Hebrew and Greek Strong's Dictionary
eldest 1060 -- b@kowr -- {eldest} (son), firstborn(-ling).
eldest 7223 ri/shown -- -- ancestor, (that were) before(-time), beginning, {eldest},first, fore[-father] (-most), former (thing), of old time, past.