Mackenstadt, Ben (1879- ) |
Asche, Emma (1879- ) |
Mackenstadt, Edward B. G. ( -1986) |
Mackenstadt, Edna (1915-2002) |
Engelbart, William B. (1863-1949) |
Sander, Sophia F. (1875-1916) |
Engelbart, Reinhold Henry (1897-1986) |
Engelbart, Alfred W. (1901-1954) |
Mackenstadt, Marjorie (1928-1999) |