1  Otto Gustav FLATH (14 Dec 1899 Moszcznicka, Poland – Nov 1983 Radisson, Saskatchewan, Canada)
   +  Klara “Clara” YOUNG (14 Jul 1899 Poland – 5 May 1959 Radisson, Saskatchewan, Canada)
      2  Oscar FLATH (28 Oct 1920 Poland – 1992 Radisson, Saskatchewan, Canada)
         +  Lina DORES (1921 – 23 Aug 2019)
      2  Eugene Louis FLATH (8 Apr 1923 Poland – 1 Jun 1971 Peace Arch District Hospital, Whiterock, British Columbia, Canada)
         +  Flora Rhea Patricia “Pat” CROWN 
            3  Laurie FLATH 
            3  Linda FLATH 
            3  Larry FLATH 
      2  Lydia FLATH (27 May 1925 Poland – 2004)
         +  Alfred BORCHERT 
            3  Darlene BORCHERT 
            3  Wallace BORCHERT 
            3  Mabel BORCHERT 
            3  Margaret BORCHERT 
      2  Arnold FLATH (1 Oct 1927 Hafford, Saskatchewan, Canada – 15 Aug 2009 St. Paul's Hospital, Saskatoon, Saskatchewan, Canada)
         +  Elsie MEISTER (Saskatchewan, Canada – living)
            3  Gordon FLATH (14 Sep 1952 – )
               +  Liane FULLER 
                  4  Benjamin FLATH 
            3  Kenneth FLATH (28 May 1955 – )
               +  Sandra COUSINS 
                  4  Shannon Dae FLATH 
                     +  Mike 
                        5  Reeve 
                        5  Ward 
                        5  Karter 
                        5  Steele 
                  4  Cole Matthew FLATH 
                     +  Jodie 
                        5  Tristen FLATH 
                        5  Spencer FLATH 
                        5  Cooper FLATH 
            3  Bruce FLATH (6 Aug 1956 – )
               +  Catherine KRUEGAR 
                  4  Kimberly Jan FLATH 
                  4  Mandy Lynn FLATH 
                     +  Jerry 
                        5  Madyson 
                        5  Hannah 
                        5  Libby 
                  4  Zach FLATH 
                     +  Jill 
            3  Joanne FLATH (15 Nov 1957 – )
               +  Murray GRISMER 
                  4  Noelle Amanda GRISMER 
                     +  Andrew 
                        5  Drew 
                  4  Nicolle Amber GRISMER 
                     +  Cory 
                        5  Austin 
                        5  Cressyn 
                        5  Mason 
                        5  Cody 
            3  Rebecca “Becky” FLATH (12 Nov 1966 – )
               +  Shawn 
                  4  Chase 
                  4  Kelsie 
      2  Rudolf Gustaf “Rudy” FLATH (14 Feb 1930 Hafford, Saskatchewan, Canada – 13 Dec 2013 St. Pauls Hospital, Saskatoon, Saskatchewan, Canada)
         +  Dorothy ROBERTS ( – living)
            3  Thomas “Tom” FLATH ( – living)
               +  Lynda ( – dec.)
                  4  Tanya FLATH ( – living)
                  4  Trina FLATH ( – living)
                  4  Jon FLATH ( – living)
               +  Lori CLINE ( – living)
                  4  Katie FLATH ( – living)
            3  James FLATH ( – living)
               +  Jee Weon SHIN ( – living)
                  4  Juno FLATH ( – living)
            3  Valerie FLATH ( – living)
               +  Kurt NORRIE ( – living)
                  4  Sydney NORRIE ( – living)
                  4  Dylan NORRIE ( – living)
            3  Nancy FLATH ( – living)
               +  Frank COPLEY ( – living)
                  4  Maia COPLEY ( – living)
                  4  Maury COPLEY ( – living)
            3  Lesley FLATH ( – living)
               +  David HONIG ( – living)
                  4  Toren HONIG ( – living)
                  4  Ryley HONIG ( – living)
      2  Vonda “Wanda” FLATH (19 Aug 1933 Hafford, Saskatchewan, Canada – 11 Oct 1960 Gwinne, Alberta, Canada)
         +  Stan OHMAN ( – abt 2008)
            3  Marlene OHMAN 
               +  THOMAS 
      2  Edward Albert “Eddie” FLATH (7 Feb 1936 Hafford, Saskatchewan, Canada – )
         +  Margaret WALLI (Jul 1936 – )
            3  Suzanne FLATH (Jan 1962 – )
            3  Wendy FLATH (Jan 1965 – )
      2  Harry Martin FLATH (Hafford, Saskatchewan, Canada – living)
         +  Barbea Mae “Barbara” SCHULTZ (Russell, Manitoba, Canada – living)
            3  Rhonda Mae FLATH (21 Jan 1968 Calgary, Alberta, Canada – )
               +  James AIKMAN (28 Sep 1965 Cranbrook, British Columbia, Canada – )
                  4  Brendan James AIKMAN (30 Sep 1996 Vancouver, British Columbia, Canada – )
                  4  Ryan Allan AIKMAN (31 May 1998 Vancouver, British Columbia, Canada – )
            3  Shauana Lee FLATH (10 Oct 1970 Calgary, Alberta, Canada – )
      2  Robert Edwin “Bob” FLATH (12 Apr 1945 Hafford, Saskatchewan, Canada – )
         +  Anne BENOIT 
            3  Jeffrey “Jeff” FLATH 
            3  Michael FLATH 
            3  Timothy FLATH 
            3  Richard FLATH 
         +  Vera ( – living)