Duke Arthur I (of Brittany)1

M, #15636, b. 30 April 1187, d. 3 April 1203
Father*Prince Geoffrey (of England)1 b. 23 Sep 1158, d. 19 Aug 1186
Mother*Duchess Constance (of Brittany)1 b. 12 Jun 1166, d. 31 Aug 1201
Relationship1st cousin 23 times removed of Robert Michael Damon
     Duke Arthur I (of Brittany), son of Prince Geoffrey (of England) and Duchess Constance (of Brittany), was born on 30 April 1187 in Nantes, Loire-Atlantique, France.1 Duke Arthur I (of Brittany) was the son of Prince Geoffrey (of England) and Duchess Constance (of Brittany).1 Duke Arthur I (of Brittany) died on 3 April 1203 in Rouen, Seine-Maritime, France, at age 15.1
     Arthur I's father Prince Geoffrey (of England) died on 19 August 1186 in Paris, France.1 Arthur I's mother Duchess Constance (of Brittany) died on 31 August 1201 in Nantes, Loire-Atlantique, France.1
Last Edited26 Dec 2003


  1. [S227] Samuel H. Sloan, ROYALFAM.GED (461 Peachstone Terrace, San Rafael CA: n.pub.). There are some wild errors in the data.