Charles II of Spain: Unraveling Ancestral Insights Through Contextual Family Tree Analysis

Explore the fascinating application of our Contextual Family Tree (CFT)  in analyzing the ancestry of Charles II of Spain. Charles II (6.11.1661-1.11.1700) stands as a prominent example of consanguinity, experiencing various health issues and marking the end of the Spanish Habsburgs with his distinctive jaw.  Charles II entered matrimony twice, the initial union being with Marie Louise.

Our visual representation employs a vertical alignment of their respective birth years, highlighting Charles as slightly older than Marie. The spatial arrangement of their boxes provides insights into Marie Louise's significantly shorter lifespan compared to Charles, a fact reinforced by age labels at the time of their deaths. A horizontal line with a double ring signifies their ages at the time of marriage, portraying the temporal dimension of their union. Notably, Marie Louise's sole marriage was with Charles.

To the left of Charles's box, a subtle dash below the marriage line signifies a second marriage, occurring after his initial union with Marie Louise.

Charles II was the fifth son of Philip IV of Spain and Mariana of Austria. In 1649, Philip, aged 44, entered into matrimony with the youthful Mariana at 14, setting the stage for a union with noteworthy age disparities. Despite the couple having five children, only two survived to adulthood. The three tiny boxes indicate that three children died before reaching the age of five. Their children included Margaret Theresa (1651–1673), Maria Ambrosia (1655, who lived only fifteen days), Philip Prospero (1657–1661), and Ferdinand Thomas (1658–1659). In 1661, Mariana gave birth to their last child, Charles.

Margaret Therese, the elder sister of Charles, passed away at 21. According to accounts, Margaret did not experience the severe health issues and disabilities that afflicted her younger brother from birth. Nevertheless, during her six-year marriage, she underwent six pregnancies, with only one child, Maria Antonia of Austria, surviving infancy. However, Maria Antonia passed away at the age of 23, and her three children did not survive to adulthood.

(The representation illustrates the offspring of a couple, with small boxes positioned beneath the respective boxes of the spouses. Each box represents a child, arranged from left to right, with the leftmost box signifying the eldest son. The height of each box reflects the extent of information available about the children (smallest: younger than 5, medium: between 5 and 18, full-length: above 18). A full-length box signifies that it is confirmed that the child reached adulthood, while a triangle at the bottom indicates that the child had descendants.)

The subsequent image depicts Charles' lineage, encompassing both his parents and grandparents. Observe that the small box corresponding to Charles now features an inverted triangle, indicating that he did not have any offspring.

His grandfather, Philip III (14 April 1578 – 31 March 1621), entered matrimony with Margaret of Austria (25 December 1584 – 3 October 1611) on 18 April 1599. At the time, he was 21, and she was 14. The union resulted in eight children, with five reaching adulthood. The third offspring was Philip IV, who later became Charles' father, and the fourth was Maria Anna of Spain, Charles' maternal grandmother. 

Maria Anna of Spain (18 August 1606 – 13 May 1646) wed Ferdinand III (13 July 1608 – 2 April 1657) on the on 20 February 1631. Ferdinand, at the age of 22, was slightly younger than Maria, who was 24 at the time of their marriage. Their union resulted in six children, with the second child becoming Charles' mother. Maria died young, and Ferdinand got married twice more.

Consequently, Charles's father was the uncle of his wife, Mariana of Austria.



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