---
title: "KNOWLES JOAN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/47ca0e4e-75af-5eca-8847-48975935df12
json: https://whiteintel.dev/api/public/dossier/47ca0e4e-75af-5eca-8847-48975935df12
identifier: icij:icijol-22017003
risk: Low
source: WhiteIntel corporate-ownership graph
---

# KNOWLES JOAN

**Type:** Organization  
**Identifier:** `icij:icijol-22017003`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/47ca0e4e-75af-5eca-8847-48975935df12  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/47ca0e4e-75af-5eca-8847-48975935df12  

## Ownership & control

### Holdings / subsidiaries

- **MARSTON LIMITED** (assistant secretary) — https://whiteintel.dev/entity/01ede0ba-f080-5642-829f-54ddb8fd7658

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/22017003

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **KNOWLES JOAN**. Human view: https://whiteintel.dev/entity/47ca0e4e-75af-5eca-8847-48975935df12 · Structured JSON: https://whiteintel.dev/api/public/dossier/47ca0e4e-75af-5eca-8847-48975935df12._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._