Source: Schema.org v30.1 vocabulary. Official parentOrganization property definition.
What does parentOrganization mean?
The larger organization that this organization is a [[subOrganization]] of, if any.
Used on types (domainIncludes)
Expected value types (rangeIncludes)
Schema.org domainIncludes and rangeIncludes are descriptive guidance, not strict validation prohibitions. Check the official reference for updates.
Related reference
Browse all Schema.org types and properties · Google feature support status