It’s not clear who wrote this letter. It may have been more of a note to themselves?

November 28, 1929

Else F. Eilers And K. Eilers

Ueber Friedrich Anton Eilers

Friederich Anton Eilers geboren zu Laufenselden, Nassau, am 14 Januar, 1839, waehrend einer reise der mutter von Mensfelden nach Hof Roedel, dem Besitz seines Vaters.

Er besuchte die gymnasien zu weilburg und wiesbaden in Nassau. Studierte in Goettingen und clausthal; kam in Mai, 1859, nach Amerika. Vermaehlte sich am 3ten Mai, 1863, mit Elizabeth Emrich; geboren in der stadt New york den 10ten Februar 1844 (Ihre Eltern Jacob Emrich aus Bingen a/Rhein und Henreitte Mauer aus Freimersheim, Baiern.

(switches to English)
Luise H. Eilers was born at the Hale Copper Mine near Hillsville, Virginia.
Kalr born a the Schramm Farm near Marietta, Ohio, where Friederich Anton Eilers was boring for oil

Rough Translation:

Anton born to Laufenselden, Nassau, on January 14, 1839, during a trip to the mother of Mensfelden to Hof Roedel, the possession of his father.

He attended to weilburg the high schools and wiesbaden in Nassau. Studied in Goettingen and clausthal; came in May 1859, to America. Married on the 3rd May, 1863, with Elizabeth Emrich, born in the city of New York February 10th 1844 (Her parents Jacob Emrich of Bingen a / Rhein and Henreitte wall of Freimersheim, Bavaria.