Anthony Douglas, born 28 March 1823[1] in Mons, België, son of Cornelius Douglas and Agnieta Petronella Gertruijd van den Heuvel. He passed away 25 August 1897[2] in Nijmegen, 74 years old.
Antony Douglas had a relation with Aplonia Cornelia Villerius before he married in 1853 with Carolina Frederica Henrietta van Koetsveld van Ankeren. He and Aplonia Cornelia Villerius had a son Antonius but were never married.
Johnston, George Harvey. "The Douglases of Drumlanrig, Queensberry and Kelhead." The Heraldry of the Douglases: With Notes on All the Males of the Family, Descriptions of the Arms, Plates and Pedigrees. Edinburgh: W. & A.K. Johnston, Limited, 1907.37. Print.
"Netherlands, Archival Indexes, Miscellaneous Records," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QLMJ-M9M8 : 22 August 2017), Cornelius Marinus Agnietus Douglas, Death 13 Dec 1941, Bloemendaal, South Holland, Netherlands; from database, openarchives (https://www.openarch.nl : 2016); citing Velsen, inventory number , record number 426; ; Noord-Hollands Archief.