About Grand Matriarchy
Grand Matriarchy exists to rebuild what modern life quietly dismantled the village. Not as a metaphor, but as a living network of real people showing up for each other across three generations. Through our Worlds, our Circles, and Daisy the grandmother at the center of it all we give people the relationships, the structure, and the culture they need to go from alone to held. We believe the grandmother function is the single most powerful upstream fix for loneliness, fractured families, and communities that lost the habit of showing up.
Grand Matriarchy is a membership platform built on one idea: the village gets built by givers, not takers.
We publish five books about rebuilding family, community, and connection. We build technology that helps people go from alone to 25 people across three generations. We believe the grandmother function, the person at the center who holds everyone together, is the upstream fix for loneliness, broken relationships, and communities that stopped showing up for each other.
The Company
Grand Matriarchy is operated by Grand Matriarchy Inc and MeshXE LLC. We partner with our sister organization Grandma Daisy Inc, a Maryland nonprofit corporation (EIN 41-5213177) awaiting 501(c)(3) designation. The nonprofit builds community programs, library partnerships, and the national village data platform. The commercial side builds the technology, the membership platform, and the Daisy product.
The Author
Martin Vendemia is the author of the Grand Matriarchy book series: five books about family structure, community rebuilding, and what happens when the grandmother function disappears. Based in Maryland. Published by Inner Group Media.
Contact
For partnerships, press, and speaking: grandmatriarchy.com/contact
The Research Behind the Work
Every claim in every book traces to published research. Here is a sample of the evidence base.
| Study / Finding | Year | Field | Book |
|---|---|---|---|
| Grandmother Hypothesis — Hawkes et al. | 1998 | Evolutionary Biology | GM Ch. 3 |
| Cooperative Breeding in Humans — Hrdy | 2009 | Anthropology | GM Ch. 4 |
| Loneliness Epidemic — Surgeon General Report | 2023 | Public Health | GM Ch. 1 |
| Kin Network Size and Mortality — Holt-Lunstad | 2015 | Meta-analysis | GM Ch. 2 |
| Grandmother Effect on Child Survival — Sear & Mace | 2008 | Demographics | GM Ch. 3 |
| Post-reproductive Lifespan in Orcas — Croft et al. | 2015 | Marine Biology | GM Ch. 5 |
| Social Capital and Community Health — Putnam | 2000 | Sociology | GM Ch. 6 |
| Intergenerational Transfers — Lee & Kramer | 2002 | Economics | GMG Ch. 2 |
| Marriage Markets and Kin Networks — Coontz | 2005 | History | GMR Ch. 1 |
| Grandfamily Policy Landscape — Generations United | 2021 | Policy | GMV Ch. 8 |
| ACEs and Family Resilience — Felitti et al. | 1998 | Medicine | GMV Ch. 3 |
| Giving Behavior in Kin Networks — Komter & Schans | 2008 | Sociology | GMG Ch. 5 |
Sample from 200+ cited studies across all five books. Full bibliography in each volume.