Chart 1     [† means all children believed found, ‡ means death is computed at 112 years]
Ricklefs, Hilda Johanna (b:1849)(d:1921)
. . . . .Oncken, Onck Richard (b:1871)(d:1955)[with: Oncken, John Folkert]
. . . . .Oncken, George E (b:1872)(d:1955)[with: Oncken, John Folkert]
. . . . . . . . . .Oncken, Elsie M (b:1897)(d:1988)[with: Harmes, Catherine Mary]
. . . . . . . . . . . . . . .<<No Children Found>>[with: Johnson, William Peter]
. . . . . . . . . .Oncken, (baby boy) (b:1903)(d:1903-1910)[with: Harmes, Catherine Mary]
. . . . . . . . . .Oncken, Evelyn Kathryn (b:1907)(d:2005)[with: Harmes, Catherine Mary]
. . . . . . . . . . . . . . .<<No Children Found>>[with: Campbell, Fay L (Hump)]
. . . . .Oncken, Mary (b:1874)(d:)[with: Oncken, John Folkert]
. . . . .Oncken, Susan (b:1876)(d:)[with: Oncken, John Folkert]
. . . . .Oncken, Emma (b:1878)(d:)[with: Oncken, John Folkert]
. . . . .Oncken, William Gerhard (b:1880)(d:1955)[with: Oncken, John Folkert]
. . . . . . . . . .Oncken, Clyde Frederick (b:1907)(d:)[with: Doden, Minnie]
. . . . . . . . . .Oncken, Mildred (b:1909)(d:)[with: Doden, Minnie]
. . . . . . . . . .Oncken, Clara Marie (b:1911)(d:)[with: Doden, Minnie]
. . . . . . . . . .Oncken, Adrienne Catherine (b:1913)(d:)[with: Doden, Minnie]
. . . . . . . . . .Oncken, Emma Louise (b:1915)(d:)[with: Doden, Minnie]
. . . . .Oncken, Julia (b:1885)(d:)[with: Oncken, John Folkert]
. . . . .Oncken, Edward Johnson (b:1890)(d:)[with: Oncken, John Folkert]