And thou shalt go
bow' (bo)
to go or come (in a wide variety of applications)
to thy fathers
'ab (awb)
father, in a literal and immediate, or figurative and remote application) -- chief, (fore-)father(-less), patrimony, principal. Compare names in Abi-.
in peace
shalowm (shaw-lome')
safe, i.e. (figuratively) well, happy, friendly; also (abstractly) welfare, i.e. health, prosperity, peace
thou shalt be buried
qabar (kaw-bar')
to inter -- in any wise, bury(-ier).
in a good
towb (tobe)
good (as an adjective) in the widest sense; used likewise as a noun
old age
seybah (say-baw')
old age -- (be) gray (grey hoar,-y) hairs (head,-ed), old age.