Has any one ever done a search that was like this?
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all/Jacob, Michael, Peter, Johan
exact phrase/leave blank
at least one/ships list

What I found was that there is a ship that has 3 males with the names listed above the surname is close to our Deckard Decker Deckert. Since this is an English ship is it possible that they miss interpreted the name said?

Chance 1763
This list has been alphabetized for easier reference. Contributor Danica (aka Dana) Henninger
Source: VOLUME 17, SER. II, PENNSYLVANIA ARCHIVES:
ENTERED THROUGH THE PORT OF PHILADELPHIA,
FOREIGNERS IMPORTED IN THE SHIP CHANCE, CAPT. CHARLES SMITH,
FROM ROTTERDAM, LAST FROM COWES.
QUALIFIED NOVEMBER 1, 1763.
Becker, Michael
Becker, Johan Peter
Becker, Johannes

Could this be the brothers? I added Johan to the search do to the the other records I have found.

http://olivetreegenealogy.com/ships/palship17.shtml