Royal Profile: Archduchess Katharina of Austria, Princess von Isenbourg

Archduchess Katharina of Austria, Princess von Isenbourg was born 21 October 1971 as the daighter of Franz-Alexander, Prince of Isenburg and Countess Christine von Saurma-Jeltsch {Source}. She has an older brother and three younger siblings in law and nieces and nephews{Source}:

1. Hereditary Prince Alexander von Isenburg (1969)
1. Hereditary Princess Sarah von Isenburg (m. 2015)
1. Princess Alix Imagina Blanca Irmingard Maria von Isenburg (2015){Source}
2. Princess Zita von Isenburg (2017) {Source}
2. Princess Isabelle von Isenbourg, Dowager Princess of Wied (1973)
1. Prince Carl zi Wied (1961-2015, m. 1998-2015, his death)
1. Prince Maximilian of Wied (1999)
2. Hereditary Prince Frederick William of Wied (2001)
3. Princess Marie Elisabeth of Wied (2003-2003)
4. Princess Louise of Wied (2004)
3. Prince Victor von Isenburg (1979)
1. Jungeun Anès Lee (m. 2013)
4. Princess Sophie of Prussia, Princess von Isenburg (1978)
1. Georg Friedrich, Prince of Prussia (m. 2011)
1. Hereditary Prince Carl Friedrich of Prussia (2013)
2. Prince Louis Ferdinand of Prussia (2013)
3. Princess Emma Marie of Prussia (2015)
4. Prince Heinrich of Prussia (2016)

She married Archduke Martin of Austria on 17 April 2004, in a civil ceremony. Together, they have three sons and a daughter {Source}:

1. Archduke Bartolomäus of Austria-Este (2006)
2. Archduke Emmanuel of Austria-Este (2008)
3. Archduchess Helene of Austria-Este (2009)
4. Archduke Luigi of  Austria-Este (2011)

Through her husband, she is the sister-in-law of The Archduke and Archduchess of Austria-Este.