"Catherine, Duchess of Cambridge (Catherine Elizabeth "Kate"; née Middleton; born 9 January 1982), is the wife of Prince William, Duke of Cambridge. William is second in line of succession to the thrones of the 16 Commonwealth realms (his father, Charles, Prince of Wales, precedes him). Upon William's succession, Catherine would become queen consort.
Catherine grew up in Chapel Row, a village near Newbury, Berkshire, England. She studied art history in Scotland at the University of St Andrews, where she met William in 2001. Their engagement was announced on 16 November 2010, and she attended many high-profile royal events before they married on 29 April 2011 at Westminster Abbey.
http://www.geni.com/people/Catherine-Duchess-of-Cambridge/6000000013407238004
Catherine, Duchess of Cambridge is your 14th cousin once removed.
You
→ Mom
your mother → Pvt. Garnett Hancock, WWII Veteran
her father → Burrell H Hancock
his father → Samuel Austin Hancock
his father → Elizabeth Edwards Hancock
his mother → Brice Edwards
her father → Ambrose Edwards, Jr.
his father → Ambrose Edwards, the Immigrant
his father → Isabella / Elizabeth Edwards (Downing)
his mother → Sir George Downing, 2nd Baronet
her father → Frances Downing (Howard)
his mother → Mary Howard
her mother → William Eure, 4th Baron Eure
her father → Ralph Eure, 3rd Baron Eure
his father → William Eure, 2nd Baron Eure
his father → Frances Lambton
his sister → William Lambton
her son → Ralph Lambton
his son → James Lambton
his son → James Lambton
his son → Isabel Conyers
his daughter → Jane Hardy
her daughter → Jane Liddle
her daughter → Anthony Liddle
her son → Jane Liddle
his daughter → John Harrison
her son → Thomas Harrison
his son → Dorothy Goldsmith
his daughter → Carole Elizabeth Middleton (Goldsmith)
her daughter → Catherine, Duchess of Cambridge
her daughter