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The Descendants of King Rama V of Siam

Of the 77 children of HM King Chulalongkorn, 33 were sons and 44 were daughters.
Of the 33 sons, only 15 produced male heirs, continuing their lines to the present.

Listed here are the sons of King Rama V only, as the Royal descendants only come from male heirs.  Please also note that the Royal Princesses were not allowed to marry commonners back then, so most of the king's daughters stayed unmarried.
 

Child No.
Name
Surname used
by descendants
Years
Age
3 HRH Prince Isarawongse Vorarajakumarn 1870-1872
2
5 HRH Prince (not yet named)
1872
died at birth
12  HRH Prince Kitiyakara Voralaksana
Prince of Chandaburi
Kitiyakara
1874-1931
57
13 HRH Prince Nabhanga Nibaddhabongse 1874-1876
2
14 HRH Prince Rabi Badhanasakdi
Prince of Rajaburi
Rabibadhana
1874-1920
46
15  HRH Prince Pravitra Vadhanodom
Prince of Prachin
Pravitra
1875-1919
44
17 HRH Prince Chirapravati Voradej
Prince of Nakorn Jaisri
Chirapravati
1876-1914
38
20  HRH Prince Maha Vajirunhis
First Crown Prince of Siam
1878-1895
17
25 HRH Prince Isariyalongkorn
1879
died same year
27 HRH Prince (not yet named)
1880
died at birth
28 Abhakara Kiartiwongse
Prince of Jumborn
Abhakara
1880-1923
43
29  HM King Vajiravudh (Rama VI)* 1881-1925
44
33 HRH Prince Paribatra Sukhumbandhu
Prince of Nakorn Savarn
Paribatra
1881-1944
63
35 HRH Prince Purachatra Jayakara
Prince of Kambaengbejra
Chatrajaya
1882-1936
54
36 HRH Prince Tribej Rutamadhamrong* 1882-1887
5
37 HRH Prince Sommatiwongse Varodaya
Prince of Sri Dhamaraj
1882-1899
17
38 HRH Prince Benbadhanabongse
Prince of Bijaya
Benbadhana
1882-1909
27
40  HRH Prince Chakrabongse Bhuvanath
Prince of Bisnulok*
Chakrabongse
1883-1920
37
41 HRH Prince Yugala Dighambara
Prince of Lopburi
Yugala
1883-1932
49
42 HRH Prince Vudhijaya Chalermlabh
Prince of Singha
Vudhijaya
1883-1947
64
44 HRH Prince Dilok Nabarath
Prince of Sarn
1884-1913
29
46 HRH Prince Suriyong Prayurabandhu
Prince of Jaya
Suriyong
1884-1919
35
52 HRH Prince Rangsit Prayurasakdi
Prince of Jainad
Rangsit
1885-1951
66
53 HRH Prince Siriraj Kakudhabhandha* 1885-1887
2
58 HRH Prince Khechorn Chirapradishtha 1888-1888
3 months
59 HRH Prince Samaya Vudhivarodom 1888-1889
1
60 HRH Prince Isriyabhorn 1888-1892
4
62  HRH Prince Asdang Dejavudh
Prince of Nakorn Rajasima*
1889-1925
36
69 HRH Prince Mahitala Dhibesra Adulyadej
Vikrom, father of Kings Rama VIII & IX
Mahidol
1892-1929
37
70 HRH Prince Anusara Siriprasadhana 1892-1900
8
72  HRH Prince Chudadhuj Dharadilok
Prince of Bejraburna*
Chudadhuj
1892-1923
31
75 HRH Prince Urubongse Rajasombhoj 1893-1909
16
76  HM King Prajadhipok (Rama VII)* 1893-1941
48
 * Sons of Her Majesty Queen Sri Bajarindra, the Regent Queen