Multi-generational family office · 100% Native-owned
Osage Family
Osage Family is the multi-generational family office of The Osage Group. We serve Tinker descendants, founding families of the diaspora, and the families of standing partners with a single integrated relationship.
Standing posture
Services
Investment policy, allocation, custody, tax, trust, philanthropy, succession, governance, education.
Custody
Booked at SF Private Bank (OG-SP-2026-SFPB) across multi-currency / offshore / domestic accounts.
Trust
Through SF Private Bank trust company; revocable, irrevocable, dynasty, charitable, foundation.
Generations
Family constitutions, councils, charters, and intergenerational governance documents.
Where this fits
Osage Family is part of The Osage Group, LLC — the umbrella holding company. The full ecosystem of operating subsidiaries is at osage.group. Federal-facing work routes through osage.global. Regulated banking, custody, and payments are operated through Osage Finance under the standing partnership with SF Private Bank.
Direct line: [email protected].
Wah‑Zha‑Zhe · People of the Middle Waters
The Osage Group is organised by descendants of the Osage Nation and named in memoriam for Maj. Gen. Clarence L. Tinker. The Osage Nation, a federally recognised sovereign tribal government seated at Pawhuska, Oklahoma, speaks for itself and is not bound by any commitment on this site.