Bernard John Engelen was born July 1, 1892, in Holland.

The 1900 United States census showed Bernhard Engelen (age 7, born in July 1892 in Holland) living with his parents Theodore (age 44, born in April 1856 in Holland, day laborer) and Anthony (age 42, born in October 1858 in Holland) in South Bend Township, Blue Earth County, Minnesota. His other siblings were Annie (age 12, born in April 1888 in Holland), Bertha (age 10, born in January 1890 in Holland), Jene (age 7, born in February 1893 in Holland), Gertrud (age 5, born in December 1895 in Minnesota), and Dora (age 3, born in December 1897 in Minnesota).

The 1910 United States census showed Bernhard Engelen (age 18, born in Holland, drug store clerk) living with his parents Theodore (age 53, born in Holland, flour mill) and Anthony (age 52, born in Holland) in North Mankato, Nicollet County, Minnesota. His other siblings were Anna (age 22, born in Holland), Christina (age 17, born in Holland), Gertrude (age 15, born in Minnesota), and Dora (age 13, born in Minnesota).

The 1920 United States census showed Bernard J. Engelen (age 24, born in Minnesota, farm laborer) living in Belgrade Township, Nicollet County, Minnesota.

The 1930 United States census showed Bernard J. Engelen (age 38, born in Holland, contractor building construction) married to Veronica T. (age 37, born in Minnesota) and living in Springfield, Minnesota. Children Theodore A. (age 8, born in Minnesota), Marcelle F. (age 7, born in Minnesota), Bernard J. (age 4, born in Minnesota), and Collett M. (age 2, born in Minnesota) also lived with the couple.

Bernard John Engelen died November 18, 1977, in Brown County, Minnesota.