Hoping to find others who are researching this branch:
Ahron (Ahrend) Frederick Luhmann b. Hanover, 1877. (Siblings: Diedrich and Sophia.) Came to NY (Hicksville).
Married to Wilhelmina Prigge. Children:
Henry Diedrich, Frederick L., Sophia, Meta.
Meta married Edward Henry Kasten.
Henry (1905-1963) married Wilhelmina Kasten.