Chart 1     [† means all children believed found, ‡ means death is computed at 112 years]

Baizley, Lavina (b:1793)(d:1875)
. . . . .Van Mater, John (b:1816)(d:1881)[with: Van Mater, Peter]
. . . . . . . . . .Van Mater, George (b:1836-1837)(d:)[with: (unknown), Mary]
. . . . .Van Mater, Levina B (b:1828-1829)(d:1855)[with: Van Mater, Peter]
. . . . . . . . . .Burtis, William Albert (b:1855)(d:1918)[with: Burtis, William Henry]
. . . . . . . . . . . . . . .Burtis, (baby) (b:1887-1900)(d:1887-1900)[with: Lomas, Elizabeth Minerva (Eliza)]
. . . . . . . . . . . . . . .Burtis, Guilette (b:1887)(d:1946)[with: Lomas, Elizabeth Minerva (Eliza)]
. . . . . . . . . . . . . . . . . . . .Hilgreen, William Joseph (b:1906)(d:1962)[with: Hilgreen, Herbert Arthur] ==> Chart 2 [P 1]
. . . . . . . . . . . . . . . . . . . .Hilgreen, Anna Estelle (b:1908)(d:1988)[with: Hilgreen, Herbert Arthur] ==> Chart 3 [P 1]
. . . . . . . . . . . . . . . . . . . .Hilgreen, Mildred G (b:1911-1912)(d:1939)[with: Hilgreen, Herbert Arthur]
. . . . . . . . . . . . . . . . . . . .Hilgreen, Mamie M (b:1913)(d:1913)[with: Hilgreen, Herbert Arthur]
. . . . . . . . . . . . . . . . . . . .Hilgreen, Herbert John (b:1916)(d:1975)[with: Hilgreen, Herbert Arthur]
. . . . . . . . . . . . . . . . . . . .<<No Children Found>>[with: Rehfus, Henry]
. . . . . . . . . . . . . . .Burtis, Edna Elizabeth (b:1888)(d:1971)[with: Lomas, Elizabeth Minerva (Eliza)]
. . . . . . . . . . . . . . . . . . . .Oakes, Frances Edna (b:1910)(d:1986)[with: Oakes, Ralston Washington] ==> Chart 4 [P 1]
. . . . . . . . . . . . . . . . . . . .Oakes, George Milton (b:1913)(d:1990)[with: Oakes, Ralston Washington]
. . . . . . . . . . . . . . . . . . . .Oakes, Winifred Mae (b:1915)(d:1991)[with: Oakes, Ralston Washington] ==> Chart 5 [P 1]
. . . . . . . . . . . . . . . . . . . .Oakes, Edith Adele (b:1922)(d:1926)[with: Oakes, Ralston Washington]
. . . . . . . . . . . . . . . . . . . .Oakes, Esther (b:1922)(d:1995)[with: Oakes, Ralston Washington] ==> Chart 6 [P 1]
. . . . . . . . . . . . . . .Burtis, Milton Lomas (b:1892)(d:1918)[with: Lomas, Elizabeth Minerva (Eliza)]
. . . . . . . . . . . . . . . . . . . .Burtis, George E (b:1917)(d:1999)[with: Grinrod, Betsy Rosaland] ==> Chart 7 [P 1]
. . . . . . . . . . . . . . . . . . . .Burtis, Thomas (b:1918)(d:1919)[with: Grinrod, Betsy Rosaland]†
. . . . . . . . . . . . . . .Burtis, Stella (b:1895)(d:1895-1905)[with: Lomas, Elizabeth Minerva (Eliza)]
. . . . . . . . . . . . . . .Burtis, Clarence Edger (b:1897)(d:1934)[with: Lomas, Elizabeth Minerva (Eliza)]
. . . . . . . . . . . . . . .Burtis, Irene E (b:1900)(d:1998)[with: Lomas, Elizabeth Minerva (Eliza)]
. . . . . . . . . . . . . . . . . . . .Beisiegel, Irene Margaret (b:1920)(d:1969)[with: Beisiegel, Martin Henry] ==> Chart 8 [P 2]
. . . . . . . . . . . . . . . . . . . .Beisiegel, Florence E (b:1921)(d:2011)[with: Beisiegel, Martin Henry] ==> Chart 9 [P 2]
. . . . . . . . . . . . . . . . . . . .Beisiegel, Robert Andrew (Bike) (b:1923)(d:1987)[with: Beisiegel, Martin Henry]† ==> Chart 10 [P 2]
. . . . . . . . . . . . . . . . . . . .<<No Children Found>>[with: Raymond, William E]
. . . . . . . . . . . . . . .Burtis, Viola (b:1903)(d:1903-1905)[with: Lomas, Elizabeth Minerva (Eliza)]
. . . . . . . . . . . . . . .Burtis, Harold C (b:1906-1907)(d:1907)[with: Lomas, Elizabeth Minerva (Eliza)]
. . . . . . . . . . . . . . .Burtis, Ethel (b:1908)(d:1910)[with: Lomas, Elizabeth Minerva (Eliza)]
. . . . .Van Mater, Mary Ann (b:)(d:)[with: Van Mater, Peter]
. . . . . . . . . .<<No Children Found>>[with: Miller, Samuel B]

Chart 2     Baizley, Lavina>>Van Mater, Levina B>>Burtis, William Albert>>Burtis, Guilette

Hilgreen, William Joseph (b:1906)(d:1962)
. . . . .Hilgreen, Eugene William (b:1928-1929)(d:)[with: Behuken, Juliana]
. . . . .Hilgreen, William J (b:1930-1940)(d:)[with: Behuken, Juliana]

Chart 3     Baizley, Lavina>>Van Mater, Levina B>>Burtis, William Albert>>Burtis, Guilette

Hilgreen, Anna Estelle (b:1908)(d:1988)
. . . . .Springer, Kenneth (b:1941-1942)(d:)[with: Springer, Herbert W]
. . . . .Springer, John (b:1944-1945)(d:)[with: Springer, Herbert W]
. . . . .<<No Children Found>>[with: Springer, John W]

Chart 4     Baizley, Lavina>>Van Mater, Levina B>>Burtis, William Albert>>Burtis, Edna Elizabeth

Oakes, Frances Edna (b:1910)(d:1986)
. . . . .Ramsey, Lynne J (b:1939)(d:)[with: Ramsey, William J]
. . . . . . . . . .<<No Children Found>>[with: Comfort, Ronald M]
. . . . .Ramsey, Diana B (b:1940-1941)(d:)[with: Ramsey, William J]

Chart 5     Baizley, Lavina>>Van Mater, Levina B>>Burtis, William Albert>>Burtis, Edna Elizabeth

Oakes, Winifred Mae (b:1915)(d:1991)
. . . . .Beisiegel, Jon (b:1938)(d:2009)[with: Beisiegel, Martin Henry]
. . . . .Beisiegel, Allan W (b:1942)(alive: 2024)[with: Beisiegel, Martin Henry]

Chart 6     Baizley, Lavina>>Van Mater, Levina B>>Burtis, William Albert>>Burtis, Edna Elizabeth

Oakes, Esther (b:1922)(d:1995)
. . . . .Landsperg, Harold (b:1945-1946)(d:)[with: Landsperg, Harold F Jr]
. . . . .Landsperg, Richard (b:1946-1947)(d:)[with: Landsperg, Harold F Jr]
. . . . .Landsperg, Robert (b:1948-1949)(d:)[with: Landsperg, Harold F Jr]
. . . . .Landsperg, Barbara (b:1950)(d:)[with: Landsperg, Harold F Jr]

Chart 7     Baizley, Lavina>>Van Mater, Levina B>>Burtis, William Albert>>Burtis, Milton Lomas

Burtis, George E (b:1917)(d:1999)
. . . . .Gawel, Elinor DeBevoise (b:1949)(alive: 2025)[with: Smith, Elinor]
. . . . . . . . . .Wildberger, Lauren (b:1981)(alive: 2025)[with: Wildberger, Stephen T]
. . . . . . . . . . . . . . .<<No Children Found>>[with: Thornhill, Geoffrey C]