John Wilhelm Christian Laas, Jr. was born on August 4, 1881 in Monroe, Michigan.

On December 5, 1905, he married Emma M. Ullrich in Lucas County, Ohio. She was born in 1882.

They lived in Toledo, Ohio and had two children.

• Edwin Laas born 1907

• Caroline (Laas) Brown born 1910

John died in September, 1947 at the age of 66 and is buried at Forest Cemetery in Toledo, Ohio. Emma passed away on October 18, 1961 at 79 years of age.