Updated Feb 20, 2026
Details
Birthday
(Sunday)
Died
Birthplace
Nationality
Languages
Modern Greek
Spouse
Sophia of Prussia (1889-1923)
Children
6 children: Alexander of Greece, George II of Greece, Helen of Greece and Denmark, Paul of Greece, Princess Irene, Duchess of Aosta, Princess Katherine of Greece and Denmark
Parents
George I of Greece, Olga Constantinovna of Russia
Education
Heidelberg University
Zodiac Sign
♌ Leo
Chinese Zodiac
龙 Dragon
Popularity
Tier B -- 40,171 Wikipedia views/month
DROPTHE_ GOSSIP
Sam Worthington →
Zodiac
Year of the Dragon, sign of Leo
AWARDS (15)
B
Cross of Valour
WON
B
Grand Cross of the Legion of Honour
WON
B
Grand Cross of the Order of the Bath
WON
B
Knight grand cross of the order of the crown of Italy
WON
Biography
Constantine I was King of Greece from 18 March 1913 to 11 June 1917 and again from 19 December 1920 to 27 September 1922. The eldest son of George I of Greece, he succeeded to the throne following his father's assassination in 1913.
Connections (16)
Parent of
Paul of Greece
Spouse of
Sophia of Prussia
Child of
George I of Greece
Child of
Olga Constantinovna of Russia
Parent of
Princess Katherine of Greece and Denmark
Parent of
Princess Irene, Duchess of Aosta
Parent of
Helen of Greece and Denmark
Parent of
George II of Greece
Parent of
Alexander of Greece
Sibling of
Prince Andrew of Greece and Denmark
Sibling of
Prince Nicholas of Greece and Denmark
Sibling of
Prince George of Greece and Denmark
Sibling of
Princess Alexandra of Greece and Denmark
Sibling of
Princess Maria of Greece and Denmark
Sibling of
Prince Christopher of Greece and Denmark
Sibling of
Princess Olga of Greece and Denmark
Related People
Frequently Asked Questions
How old was Constantine I of Greece?
Constantine I of Greece was born on and passed away on at the age of 54.
Where was Constantine I of Greece born?
Constantine I of Greece was born in Athens.
Where can I find more information about Constantine I of Greece?
You can find more about Constantine I of Greece on Wikidata. Their full profile and filmography is available on this page.
