All tokens can be found inside Cambion Drift cave complexes as interactables.
Grandmother's "Mend the Family" option offers a selection of Tokens for Cambion Drift resources. This cycles every 8 hours.
All of the family tokens can be turned in for standing by Grandmother. Every token except for Son and Grandmother tokens can be exchanged for 100 Standing. Son Tokens can be exchanged for 500 Standing, and Grandmother tokens can be exchanged for 1500 Standing.
Son tokens are also used for gilding companions. 10 Son Tokens are needed per gild.
Father Tokens are used as sacrifices for ranking up in the Necraloid Syndicate.
Family Tokens are also used as sacrifices for ranking up in the Entrati Syndicate.