Build the 이천 서씨 family tree online

이천 서씨(利川 徐氏) — It is regarded as the principal lineage of the Seo clan whose ancestral seat (bongwan) is Icheon.

Population — approx. 199,792 (2015 Census, Statistics Korea)

About the 이천 서씨 clan

It is regarded as the principal lineage of the Seo clan whose ancestral seat (bongwan) is Icheon. In the 2015 Census the 이천 서씨 clan numbered about 199,792 people, one of Korea's major surnames and clans. Even among people surnamed 서, a different clan seat (bon-gwan, 이천) means a different lineage. New to these terms? See the bon-gwan, pa & hangnyeol guide.

Main branches (派)

Over the generations the 이천 서씨 clan divided into several branches (pa). Confirm which branch your family belongs to through your jokbo or clan association. See the bon-gwan, pa & hangnyeol guide.

Notable figures

서희

Tap a name for the full profile (life, career, grave, descendants).

How to build your 이천 서씨 tree

  1. Start with yourself — sign in to get your own tree. Enter your name, birth year and clan seat (이천).
  2. Add older generations — add parents and grandparents. For accuracy see tracing ancestors with jejeok records (usually to about 5 generations).
  3. Link siblings & children — sort by generational name (hangnyeol) to see each generation at a glance.
  4. Export & share — save the finished tree as a PDF and invite family to manage it together.
The 이천 서씨 family tree, online. No more erasing pencil drawings — start free and let generations sort automatically.

Related reading

How to draw a family tree freeStep-by-step online genealogy Bon-gwan, pa & hangnyeol explainedMeanings and how generations sort

이천 서씨 clan association

The 이천 서씨 clan association can be found in the Korean E-Jokbo Library clan-association directory.

Start your family tree free →