The Jose Gesavio Castilleja Descendants Non-Profit Organization (JGCDNPO) preserves family heritage and strengthens intergenerational relationships by providing genealogical advocacy and educational scholarships. 

Annual Family Reunion

Nothing brings the family together quite like a family reunion.  Join us for our annual family reunion.  

The Jose Gesavio Castilleja Descendants Nonprofit Organization family reunion will be in San Antonio, Texas on  Saturday,  March 20, 2027, San Antonio, Texas, at the Mission County Park Pavilion II

Please join our mailing list to receive an invitation.

Castilleja Ancestry Portal  

Family history or genealogy is the study of your family and the generations that came before you. The Castilleja Ancestry Register allows you to explore the Castilleja family history in amazing detail through our own archive of historical records, online family trees, and our partner DNA testing service. 

Scholarships 

We believe in building the future by investing in the leaders of tomorrow.  Scholarship Program was created to support outstanding students who demonstrate exceptional academic promise, leadership, and a commitment to their community. 

 Your membership and annual contribution help expand our capacity to support, enhance, enrich, and strengthen our family reunions. With your donation, you are helping to make a difference for our families now and for generations to come.

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