Hello from Luxembourg,
George and Frank Gehlen were indeed born in Christnach:
George Aug 13, 1883 and Francois May 2, 1891, children of Peter and Marguerithe Dennemeyer.
George can be found on the passenger list of the ship Vaderland arriving in New York on June 1,1904. He is travelling to his uncle Franz Dennemeyer in Staples, ?.
He can be found again on the list of the ship Vaderland again, together with his wife Catherine, aged 30 on March 8, 1910. He is noted as a Non immigrant Alien and they are travelling to Minneapolis.
Schéi Gréiss vu Letzebuerg