Cornelie Lucie Anne Loudon1
James Hubert Hope Loudon1
Alice Frederique Loudon1 
Anna Gräfin zu Solms-Wildenfels1 
From 7 June 1921, her married name became Loudon.1
John Francis Loudon1 
He was co-founder of the Billiton Company.1
Alexander Loudon1 
Children of Alexander Loudon and Suzanna Ignatia de Kock van Leeuwen
- Pauline Ignatia Loudon1 b. 1854, d. 26 May 1922
- Dr. Alexander Loudon+1 b. 11 Jun 1857, d. 6 Feb 1921
- Suzanna Ignatia Loudon1 b. 27 May 1859, d. 28 May 1944
- Marie Anne Lucie Loudon1 b. 10 Feb 1862, d. 8 May 1919
- William Francis Loudon1 b. 1863, d. 23 Dec 1924
Suzanna Ignatia de Kock van Leeuwen1 
From 21 May 1851, her married name became Loudon.1
Children of Suzanna Ignatia de Kock van Leeuwen and Alexander Loudon
- Pauline Ignatia Loudon1 b. 1854, d. 26 May 1922
- Dr. Alexander Loudon+1 b. 11 Jun 1857, d. 6 Feb 1921
- Suzanna Ignatia Loudon1 b. 27 May 1859, d. 28 May 1944
- Marie Anne Lucie Loudon1 b. 10 Feb 1862, d. 8 May 1919
- William Francis Loudon1 b. 1863, d. 23 Dec 1924
Pauline Ignatia Loudon1 
From 27 February 1873, her married name became Kusky.1
Suzanna Ignatia Loudon1 
Marie Anne Lucie Loudon1 
Her married name became Foster.1
