| Henricus Johannes van Helvert (1933 - ) |
|
| Theodora Cornelia Theresia (Dorothey) van Schagen (1933 - ) |
| David Robert Clark | Sandra Maria van Helvert |
| *. 11 jul 1962, St. Catharines, Ontario, Canada †. 26 okt 1998, Uxbridge, Ontario, Canada [ ]. ber. opl. gd. |
*. 4 aug 1962, St. Catharines, Ontario, Canada †. [ ]. ber. opl. gd. |
| Rebecca Anne Clark Laura Reta Clark |