Gazlay Family History
 

Family HistoryFamily History - Mary DeGroff


Key:1.“+” before a child’s name indicates the child has their own entry in the next generation.
 2.“born xxxx” indicates the child is under 18 years of age so the birth date is not shown.
This family history features Mary DeGroff and 13 of her descendants down to the fourth generation.


First Generation
1. Mary DeGroff,1 born 4 January 1918, the daughter of Arthur Dashiell DeGroff and Helene Tonkin.1 Mary married, 7 June 1941 in Hanover, New Jersey, John Preston ‘Jack’ Mailler, Jr.1, 4 (born 5 June 1918 in Madison, Morris County, New Jersey, the son of John Preston Mailler and Margaret Brown ‘Reta’ McGregor;1, 2, 3, 4 Jack died 27 June 1994 in Escondido, California4, 5).

Children of Mary DeGroff and John Preston ‘Jack’ Mailler, Jr.:

+2i. Barbara Lee ‘Bobby’ Mailler, born 11 February 1943; died 6 October 2020. Married Nicholas Arnold Knapp.
+3ii. John Preston Mailler III, born 8 August 1944. Married (1) Phyllis M. McCraw Married (2) Donna Jean McMillan.
 4iii. Peter DeGroff Mailler, born 12 March 1947.6

  1. Genealogy, Rootsweb (website), The Degroff’s and Related Families.
  2. U.S. Federal Census, 1920, New Jersey, Essex County, Orange, Enumeration District 299, Sheet No. 7B, family of John Mailler (28, New Jersey, machinist, Edison); wife Margaret Mailler (26, New Jersey); daughter Helen Mailler (3, New Jersey); son Jack Mailer (1, New Jersey); border Wilson Roby (30, New Jersey, clerk, grocery store). They are living next door to Margaret’s parents.
  3. U.S. Federal Census, 1930, New Jersey, Morris County, Borough of Madison, Enumeration District 14-30, Sheet No. 5B, family of John P. Mailler (39, New York, engineer, public utility, first married age 23); wife Margaret B. Mailler (34, New Jersey, first married age 19); daughter Helen J. Mailler (14, New Jersey); son John P. Mailler Jr. (11, New Jersey); son William D. Mailler (9, New Jersey).
  4. Obituary, San Diego Union-Tribune, San Diego, California, John P. Mailler, Jr., 27 June 1994
  5. Social Security Death Index (SSDI), Rootsweb (website). John P. Mailler, no. 144-07-3188
  6. This is publicly viewable information found in various public information repositories, people finding websites, and/or social media.
Second Generation
2. Barbara Lee ‘Bobby’ Mailler2 (Mary1), born 11 February 1943;1 died 6 October 2020. Bobby married Nicholas Arnold Knapp (born 19 February 1937, parents not determined1).

Children of Barbara Lee ‘Bobby’ Mailler and Nicholas Arnold Knapp:

+5i. Michael Degroff ‘Mike’ Knapp, born 19 January 1966. Married Cortney Lyn Choate.
+6ii. Paul Mailler Knapp, born 16 May 1969. Married Wendy Sue Watson.
+7iii. Elizabeth Holly Knapp, born 29 December 1970 in Newport Beach, California. Married Jerry Ray Lisk.

3. John Preston Mailler III2 (Mary1), born 8 August 1944.1 John married, first, 21 April 1972 in Washoe County, Nevada, Phyllis M. McCraw2 (born 15 November 1946, parents not determined1). Their marriage ended in divorce. John married, second, Donna Jean McMillan (born 17 February 1947, parents not determined1).

Children of John Preston Mailler III and Phyllis M. McCraw:

 8i. Sheri Degroff Mailler, born 1 April 1976 in Orange County, California.3
 9ii. John Preston Mailler IV, born 22 August 1977 in Orange County, California.4

  1. This is publicly viewable information found in various public information repositories, people finding websites, and/or social media.
  2. Nevada Marriage Index, 1956-2005, available at Ancestry.com and familysearch.org, marriage of John P Mailler III and Phyllis M. McCraw, 21 April 1972 in Washoe County, Nevada.
  3. California Birth Index, 1905-1995, available at ancestry.com and familysearch.org, Sheri D. Mailler, born 1 April 1976 in Orange County, California.
  4. California Birth Index, 1905-1995, available at ancestry.com and familysearch.org, John P. Mailler, born 22 August 1977 in Orange County, California.
Third and Fourth Generations
5. Michael Degroff ‘Mike’ Knapp3 (Barbara ‘Bobby’,2 Mary1), born 19 January 1966. Mike married Cortney Lyn Choate (born 30 June 1965 in Travis County, Texas, the daughter of Mark Wade Choate and Cynthia Jean Pierce1).

Children of Michael Degroff ‘Mike’ Knapp and Cortney Lyn Choate:

 10i. Michael Degroff Knapp, Jr., born 13 February 1993 in Ventura County, California.2
 11ii. Hayley Choate Knapp, born 23 August 1995 in Ventura County, California.3

6. Paul Mailler Knapp3 (Barbara ‘Bobby’,2 Mary1), born 16 May 1969.4 Paul married Wendy Sue Watson (born 3 December 1972, parents not determined4).

Children of Paul Mailler Knapp and Wendy Sue Watson:

 12i. Jared Knapp.
 13ii. Jake Knapp.
 14iii. Sadie Knapp.

7. Elizabeth Holly Knapp3 (Barbara ‘Bobby’,2 Mary1), born 29 December 1970 in Newport Beach, California. Elizabeth married, 22 October 1994 in Crossville, Tennessee, Jerry Ray Lisk (born 5 August 1959, the son of Elva Lisk and Ella Hileman).

  1. Texas Birth Index 1903-1997, Courtney Lyn Choate, born 30 June 1965 in Travis County, Texas.
  2. California Birth Index, 1905-1995, available at ancestry.com and familysearch.org, Michael Degroff Knapp, born 13 February 1993 in Ventura County, California.
  3. California Birth Index, 1905-1995, available at ancestry.com and familysearch.org, Hayley Choate Knapp, born 23 August 1995 in Ventura County, California.
  4. This is publicly viewable information found in various public information repositories, people finding websites, and/or social media.