Diane married Jon,
Diane is John's sister,
Lorraine married John,
Diane and Jon had seven grandchildren,
Diane and Jon had three children.
Lorraine and John had two children,
Lorraine and John had seven grandchildren.
Ricardo, one of Diane and Jon's children, and a cousin to Lorna-jane and Frasier, did not marry or have any children.
Diane and Jon had two other children - Juan and Suzi.
Lorraine and John had 2 children - Lorna-jane and Frasier.
Lorna-Jane married Juan and had 4 children,
Frasier married Suzi and had 3 children.
Lorraine and John had twins.
Frasier and Juan were cousins.
Suzi and Lorna-Jane were cousins.
Ricardo had a sister,
Lorna-Jane had a brother,
Frazier had a sister, Suzi had 2 brothers.
For the above relationships to exist, How many were there, grandparents, parents, children, cousins and siblings in all?