Biography
María de las Mercedes de España was born 11 September 1880 in Madrid, Spain to Alfonso XII de España (1857-1885) and Maria Christina von Österreich (1858-1929) and died 17 October 1904 Madrid, Spain of peritonitis, complications of childbirth. She married Carlo di Borbone delle Due Sicilie (1870-1949) 14 February 1901 in Madrid, Spain.
Children
| Name | Birth | Death | Joined with |
| Alfonso di Borbone delle Due Sicilie (1901-1964) | 30 November 1901 Madrid, Spain | 3 February 1964 Vienna, Austria | Alice di Borbone-Parma (1917-2017) |
| Fernando di Borbone delle Due Sicilie (1903-1905) | 6 March 1903 Madrid, Spain | 4 August 1905 San Sebastián, Gipuzkoa, Basque Country, Spain | |
| Isabella Alfonsa di Borbone delle Due Sicilie (1904-1985) | 16 October 1904 Madrid, Spain | 18 July 1985 Madrid, Spain | Jan Kanty Zamoyski h. Jelita (1900-1961) |
Footnotes (including sources)
| ‡ General |
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