Descendants of John & Barbara SEILER
 Fourth Generation 
23. Velma F. SEILER (Albert J.9, John2, John1)
Velma married Stewart E. DERBECKER.
Children from this marriage were:
38 F i. Lynda DERBECKER
39 M ii. Paul DERBECKER
24. William Albert SEILER (Albert J.9, John2, John1)
William married Shirley M. STRUB.
Children from this marriage were:
40 F i. Carol SEILER
41 M ii. Kenneth Albert SEILER
42 M iii. Gregory SEILER
25. Ruth Marguerite SEILER (Albert J.9, John2, John1)
Ruth married Gerald Arthur GATSCHENE.
Children from this marriage were:
43 M i. Garry GATSCHENE
44 F ii. Gayle GATSCHENE
26. John SEILER (Oliver Melvin Robert11, John2, John1)
John married Alecia WINCH, daughter of Stuart Armstrong WINCH and Gladys C. BELL,.
Children from this marriage were:
+ 45 M i. Douglas SEILER
46 F ii. Cindy SEILER
47 F iii. Tracey SEILER
28. Andrew H. McTAVISH (Laura May CORMACK12, Margaret SEILER4, John1)
Andrew married Alma TOOKE.
The child from this marriage was:
48 M i. Alan Wayne McTAVISH was born in 1940 in , Bruce Co, Ontario, Canada and died on November 12, 2012 in , , Nova Scotia, Canada aged 72.
30. Beatrice LYON (Clara Ethel "Mildred" CORMACK13, Margaret SEILER4, John1) was born on May 30, 1910 in Greenock Twp, Bruce Co, Ontario, Canada and died in 1977 aged 67.
Beatrice married Christopher Alexander THORNBURN, son of Alexander THORNBURN and Christena Robina McTAVISH,. Christopher was born on March 25, 1900 in Bruce Twp, Bruce Co, Ontario, Canada6,19 and died in 1992 aged 92.
Children from this marriage were:
49 F i. Margaret Rose THORNBURN
+ 50 M ii. Alexander Lyon THORNBURN
31. Clara "Mildred" LYON (Clara Ethel "Mildred" CORMACK13, Margaret SEILER4, John1)
Mildred married Robert HAMILTON.
Children from this marriage were:
51 M i. Barry HAMILTON
52 M ii. John HAMILTON
+ 53 F iii. Elizabeth "Betty" HAMILTON
54 M iv. Heather "Roy" HAMILTON
36. Andrew Bell "Andy" CORMACK (Harold Stanley CORMACK17, Margaret SEILER4, John1) was born on September 30, 1930 in Elderslie Twp, Bruce Co, Ontario, Canada10 and died on December 18, 2012 in Paisley, Bruce Co, Ontario, Canada aged 82. He was usually called Andy.
Andy married Verna Edith McGREGOR, daughter of David Collins McGREGOR and Annie Marjorie KINCAID,.
Children from this marriage were:
+ 55 M i. David CORMACK
+ 56 F ii. Debbie CORMACK
+ 57 M iii. Kenneth CORMACK
58 M iv. Andrew CORMACK
Andrew married Cathy PITT, daughter of Ralph E. PITT and Sandra (__?__),. Cathy was born on April 21, 1864 in Cargill, Bruce Co, Ontario, Canada.20
37. William "Gerald" CORMACK (Harold Stanley CORMACK17, Margaret SEILER4, John1) was born on October 4, 1935 in Elderslie Twp, Bruce Co, Ontario, Canada10 and died on May 8, 1984 in Elderslie Twp, Bruce Co, Ontario, Canada aged 48. He was usually called Gerald.
Gerald married Carol Marie AUSTIN, daughter of Dan AUSTIN and UNKNOWN, in 1954 in Paisley, Bruce Co, Ontario, Canada.10 Carol was born in 193521 and died on April 3, 2009 in Chesley, Bruce Co, Ontario, Canada21 aged 74.
Children from this marriage were:
59 M i. Terry CORMACK .
Terry married Wendy (__?__).
60 M ii. Ken CORMACK
Ken married Donna (__?__).
61 M iii. Steven CORMACK
Steven married Laurie (__?__).
62 F iv. Lori CORMACK
Lori married John GIMBEL.
63 F v. Susan CORMACK
Susan married Paul PARKER, son of Elmer James "Jim" PARKER and Isabelle McKAY,.
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