Royal Profile: Archduke Alexander of Austria

Archduke Alexander Hector Marie Karl Leopold Marcus d'Aviano of Austria was born 26 September 1990 as the youngest son and second youngest child of Archduke Carl Christian of Austria and Archduchess Marie Astrid of Austria, Princess of Luxembourg{Source}. He has the following brothers, sisters, siblings in law, and nieces and nephews{Source}:

1. Archduchess Marie Christine of Austria, Countess de Limburg-Stirum (1983)
1. Count Rodolphe de Limburg-Stirum (1979)
1. Count Léopold Menno Philippe Gabriel François-Xavier Marie Joseph Ghislain de Limburg-Stirum (2011)
2. Count Constantin de Limburg-Stirum (2013)
3. Count Gabriel de Limburg-Stirum (2016)
2. Archduke Imre of Austria (1985)
1. Archduchess Kathleen Elizabeth of Austria (1986)
1. Archduchess Maria-Stella Elizabeth Christiana Yolande Alberta of Austria (2013)
2. Archduchess Magdalena Maria Alexandra Zita Charlotte of Austria (2016)
3. Archduchess Juliana Marie Christine Wilhelmina Margaret Astrid of Austria (2018)
3. Archduke Christoph of Austria (1988)
1. Archduchess Adélaïde of Austria (1989)
1. Archduchess Katarina Marie-Christine Fabiola of Austria (2014)
2. Archduchess Sophia of Austria (2017)
4. Archduchess Gabriella of Austria (1994)
1. Prince Henri de Bourbon-Parma (engaged October 2017)
1. Miss Victoria Antonia Marie-Astrid Lydia de Bourbon-Parma (illegitimate, born prior to her parents marriage, 2017)

He is related to the Grand Ducal Family of Luxembourg. Other than this, not much is known about him.