Apologies for my ignorance, but I believe Luen is in the Graubunden Canton.

I am trying to find information on my great-grandmother, Eva Heunin/Hennin/Hemi.
All I have is that they came to America thusly:

Paul Heunin born abt 1841
Catherine Heunin born abt 1868
Eva Heunin born abt 1871
Anton Heunin born about 1876
The following applies to all above
Place of origin Switzerland
Port of Departure Le Havre, France
Port of Arrival (USA) New York
Arrival Date 30 May 1887
Ship Name La Gascogne

Her brother Anton, states on his WW1 Registration that he was born in Luen, Switzerland. I would love to learn more about this family, but I am not sure how to proceed.

Both Eva and Anton changed their name to Hemi in the U.S., but the passenger listing states "Heunin" pretty clearly.

Any hints from Swiss Genealogy vets? Thanks in advance!

Eric