Family 360
Familia Castro-Brennan
Est. 1978Head of family Eduardo Castro MüllerTracked AUM $575M
Viewing as
Ledger snapshot · 2026-08-21
sphera-wealth-management-advisory
sphera-wealth-management-advisory
12 members · 3 generations · 7 heirs
The bloodline is the spine. What each person holds sits beside them; what is being planned for them is named underneath, with the reservation it reasons from. Nothing here estimates what anyone will inherit — the ledger records holdings and rules, not outcomes.
G1 · founders
Eduardo Castro MüllerFounder74Chair, Castro-Brennan Family Council55% Castro Agro Holding S.A. · 100% Eduardo Castro Fideicomiso de Administración · 100% Castro Family Residence — Recoleta · +1
Castro — Florida Real Estate FIRPTA + Brennan-Mitchell Trust Optimisationin advisor review
Margaret Brennan O'Connordeceasedestate settled
G2 · children · 3 heirs
Mateo Castro BrennanHeir42CFO Castro Agro; Family Council Member15% Castro Agro Holding S.A. · 100% Castro Punta del Este Yacht
Castro — Florida Real Estate FIRPTA + Brennan-Mitchell Trust Optimisationin advisor review
Castro — Mateo's UY Residency and AR Forced-Heirship Coordinationin advisor reviewfh-ar-descendantsfh-uy-descendants
Sofía Castro BrennanHeir46Family Council Member; US-side investment lead15% Castro Agro Holding S.A. · 100% Castro Investments USA LLC
Castro — Florida Real Estate FIRPTA + Brennan-Mitchell Trust Optimisationin advisor review
Castro — PFIC Analysis on AR-Held Investment Portfolios (Sofía's Interests)in advisor review
Castro — Sofía's US Residency: CFC / Exit-Tax / PFIC Mitigation Planin progress
Valentina Castro BrennanHeir39Family Office Director; Family Council Secretary15% Castro Agro Holding S.A.
Castro — Florida Real Estate FIRPTA + Brennan-Mitchell Trust Optimisationin advisor review
Bruno Silva Almeida41in-lawholds nothing yet
Camila Pérez Pereira41in-lawholds nothing yet
David Mitchell Reed48in-lawholds nothing yet
G3 · grandchildren · 4 heirs
Clara Castro PérezHeir12holds nothing yet
Joaquín Silva CastroHeir10holds nothing yet
Lucía Mitchell CastroHeir16holds nothing yet
Tomás Mitchell CastroHeir13holds nothing yet
Show as a node-edge graph
The same 14 parent-child edges the spine above is built from, drawn. Nothing here is new — it is the list, laid out.