Berean Standard Bible (BSB)
If a man of peace is there, your peace will rest on him; if not, it will return to you.
World English Bible (WEB)
If a son of peace is there, your peace will rest on him; but if not, it will return to you.
Strong's King James
And{G2532} if{G1437}{G3303} the son{G5207} of peace{G1515} be{G5600}{(G5753)} there{G1563}, your{G5216} peace{G1515} shall rest{G1879}{(G5695)} upon{G1909} it{G846}: if not{G1490}, it shall turn{G344} to{G1909} you{G5209} again{G344}{(G5692)}.
The F.O.G *
(6) If a son of shalom-peace is there, your peace will rest upon him but if not it will return upon you.
The F.O.G Message *
Young's Literal Translation
and if indeed there may be there the son of peace, rest on it shall your peace; and if not so, upon you it shall turn back.