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John II Byzantine Emperor Komnenos 1087–1143

Public Tree Person

What is a Public Tree Person?

A Public Tree Person is an ancestor documented independently by multiple YourRoots tree owners. When several researchers' family histories converge on the same person, we publish a shared page that combines what they've documented.

Why this is a Public Tree Person

Full name consistent across 2 independent trees
Birth year and location consistent across 2 trees
Death year and location consistent across 2 trees

Compare a Public Tree Person with your own tree using Compare Tree.

C Reliability
C
Reliability Score: C
Basic — based on the source tree
Grade scale
  • A 3 criteria (Strong)
  • B 2 criteria (Medium)
  • C 1 criteria (Basic)
Verification checklist
  • Record available
  • Descendant's record available
  • Star tree owner

2 researchers on YourRoots have John Komnenos in their family trees — each with their own records and documentation. Trace the migration path across 1 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: August 25, 2026 · Reliability: C — verified across 2 independent trees

Born 13 Sep 1087 · Constantinople, Byzantine Empire
Died 8 Apr 1143 · Cilicia, Byzantine Empire
Father Alexios I Byzantine Emperor Komnenos
Mother Irene Byzantine Empress Doukaina
Spouse Irene Of Hungary Saint Byzantine Empress Piroska
Children Andronikos Sebastokrator Byzantine Prince Komnenos

Researchers connected through John Komnenos 1087–1143

and 1 more tree owner connected with John Komnenos 1087–1143

Biography

In 1087, John II Byzantine Emperor Komnenos entered the world in Constantinople, Byzantine Empire, born to alexios i byzantine emperor komnenos and irene byzantine empress doukaina. John II Byzantine Emperor Komnenos married irene of hungary saint byzantine empress piroska, and had children including andronikos sebastokrator byzantine prince komnenos. John II Byzantine Emperor Komnenos passed away in 1143 in Cilicia, Byzantine Empire.

Sources

Life Timeline

1087
Birth of John II Byzantine Emperor Komnenos in Constantinople, Byzantine Empire
Birth
1143
Death of John II Byzantine Emperor Komnenos in Cilicia, Byzantine Empire
Death

Oldest Ancestor Line from John Komnenos

Direct Lineage
generations

Frequently Asked Questions

John Komnenos (1087–1143) was born in Constantinople, Byzantine Empire and died in Cilicia, Byzantine Empire. 2 researchers on YourRoots have this ancestor in their family trees, each with their own records. This page combines what they've independently documented and assigns a Reliability Score (C) based on cross-tree validation.
Right now, 2 researchers on YourRoots have John in their trees. They're working independently, so connecting with them is a good way to cross-check your records and find things you might have missed. You can also explore the ancestor migration map that traces 1 generations of this lineage geographically.
It varies by researcher — some have census records, others have marriage certificates, parish registers, or family Bible entries. Scroll up to see exactly what each person has cited.
Use the "Compare Tree" button on any researcher's profile above. You can compare your tree side by side with theirs, see where your records overlap or differ, and collaborate to fill gaps.

John Komnenos's Ancestors

Pedigree chart — 3 generations on record

Self
John II Byzantine Emperor Komnenos PTP
1087–1143
Constantinople, Byzantine Empire
Parents
Unknown
Unknown
Grandparents
Unknown
Unknown
Unknown
Unknown

John Komnenos's Descendants

1.