Lachtna mac Cennétig

• Name	Lachtna mac Cennétig  [1]
  Gender	Male
  Person ID	I72	O'Brien Genealogy
  Last Modified	22 May 2026

  
  

  Father	Cennétig mac Lorcáin, King of Thomond   d. 951
  Mother	Bé Binn inion Urchadh, Queen of Thomond
  Family ID	F5	Group Sheet  |  Family Chart

  
  

• Sources

  [S14] Wikipedia Contributors, Wikipedia: The Free Encyclopedia, "O'Brien dynasty," https://en.wikipedia.org/wiki/O'Brien_dynasty, (San Francisco, CA: Wikimedia Foundation, Inc.).