Sarha,
I find two 'Jacques COSSART' in my
information, one was the son. I have listed
the first two of page of a seven pages of
descendants that I know of :

1 COSSART Jacques 1595 -
m. BEF 1939
GELTON Rachelle AFT 1595 -
2 COSSART Jacques May 1639 - 1685
m. BEF 1673
WILLEMS Lydia AFT 1639 -
3 COSSART Anthony 14 Nov 1673 -
m. 2 Aug 1696
VALENTINE Elizabeth Tymensen 1673 -
4 COSSART Jacob 16 Oct 1701 - 19 Apr 1772
m. 1723 NJ
COX Anna Hannah ABT 1707 -
5 COSART Anthony 1740 - Jun 1790
m.
COON Catherine 1746 - 16 Nov 1824
6 CASAD Thomas 13 Sep 1763 - 19 Nov 1808
m. 1786
TINGLEY Abigail 16 Sep 1765 - 28 Aug 1825
7 CASAD Anthony Wayne 2 May 1791 - 16 Dec 1857
m. 6 Feb 1811 Fairfield, Hamilton Co., OH
STITES Anna 10 Dec 1796 - 16 Jul 1838
8 CASAD Anna
8 CASAD Margaret Tingley
8 CASAD Abigail Anna
8 CASAD Isaac D.
m. 22 Nov 1859 Island Grove, Illinois
JAMES MARY ELIZABETH 24 Apr - 22 May 1930
9 CASAD Mary
m.
STARBUCK Leward
9 CASAD RALPH EMERSON 18 Mar 1869 - 27 Jul 1922
m. 21 Dec 1890
HARTLEY HENRIETTA "ETTA" 8 Jul 1872 - 8 Jul 1954
8 CASAD Amanda Kezia
8 CASAD Samuel S.
8 CASAD Lavina
8 CASAD Harriot
8 CASAD John Milton
8 CASAD Martha
8 CASAD Thomas ABT 1815 - 7 Oct 1885
m.
VAN WINKLE Sarah 1 Feb 1836 - 17 May 1928
9 CASAD Leonora Nona 4 Jun 1862 -
m.
WHITE Richard
10 WHITE Louise - 1925
m.
ST. CLAIR Everett
10 WHITE Gertrude
m.
CHROME George
9 CASAD Jennie 1864 -
m.
LANE Unknown
LANE Nathan 1851 - 1920
10 LANE Ada Vivian 1885 -
10 LANE Wallace Casad 1895 - 1973
m.
LEE Mary AFT 1895 -
9 CASAD Maud 1866 - 1961
m.
MANDELL William
10 MANDELL John Infant death
10 MANDELL Lucille
m.
FISHER John
11 FISHER James
m.
____ Unknown
m.
COX Betty
11 FISHER Dorthy
m.
MCGLOFFEN James 'Red'
12 MCGLOFFEN Jay
12 MCGLOFFEN Mike
12 MCGLOFFEN Paula
12 MCGLOFFEN Betty Loue
11 FISHER Betty
m.
12 ____ Shirley
10 MANDELL Darwin Casad
m.
UNKNOWN Louise
11 MANDELL Paul Casad
11 MANDELL Harold Casad
11 MANDELL Jr. Darwin Casad
11 MANDELL Wesley Casad
10 MANDELL Bertha
m.
CANDLER Jeff
10 MANDELL Jessie
m.
BOLGER John
10 MANDELL Humboldt 1897 - 1975
m.
SMITH Evangeline
11 MANDELL Jr. Humboldt Casad 1934 -
m.
UNKNOWN Virginia
12 MANDELL Dawn Marie 1959 -
m.
JARNAGAN Unknown
12 MANDELL Virginia Lee 1961 -