Patrick Desmond Carl Alexander Guinness, KLJ

Order of Saint Lazarus

This article concerns the order of knighthood named after Saint Lazarus. For other uses of the name Lazarus, see Lazarus .The Military and Hospitaller Order of Saint Lazarus of Jerusalem is an order of chivalry which originated in a leper hospital founded by the Knights Hospitaller in 1098 by the...

 (born in Dublin on 1 August 1956) is an Irish

Ireland

Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...

 historian

Historian

A historian is a person who studies and writes about the past and is regarded as an authority on it. Historians are concerned with the continuous, methodical narrative and research of past events as relating to the human race; as well as the study of all history in time. If the individual is...

 and author

Author

An author is broadly defined as "the person who originates or gives existence to anything" and that authorship determines responsibility for what is created. Narrowly defined, an author is the originator of any written work.-Legal significance:...

, and one of heirs of the Guinness

Guinness

Guinness is a popular Irish dry stout that originated in the brewery of Arthur Guinness at St. James's Gate, Dublin. Guinness is directly descended from the porter style that originated in London in the early 18th century and is one of the most successful beer brands worldwide, brewed in almost...

 business dynasty.

Son of Desmond Guinness

Desmond Guinness

Hon. Desmond Guinness is an Irish author on Georgian art and architecture and a conservationist.He was the second son of the author and brewer Bryan Guinness, 2nd Baron Moyne and Diana Mitford...

 and Marie-Gabrielle von Urach, he was educated at Winchester College

Winchester College

Winchester College is an independent school for boys in the British public school tradition, situated in Winchester, Hampshire, the former capital of England. It has existed in its present location for over 600 years and claims the longest unbroken history of any school in England...

 and Trinity College Dublin. He continues his father's business in real estate development. He formerly represented Sothebys in Ireland. His daughter is the celebrity model Jasmine Guinness

Jasmine Guinness

Jasmine Leonora Guinness has been a designer and a fashion model since 1994. She is also an heiress to the Guinness brewing fortune.-Personal life:...

.

A historian, Patrick Guinness has authored a biography of Arthur Guinness

Arthur Guinness

Arthur Guinness was an Irish brewer and the founder of the Guinness brewery business and family.He was also an entrepreneur, visionary and philanthropist....

, the founder of the Guinness brewery dynasty. He has lectured on genetic genealogy

Genetic genealogy

Genetic genealogy is the application of genetics to traditional genealogy. Genetic genealogy involves the use of genealogical DNA testing to determine the level of genetic relationship between individuals.-History:...

 relating to the early Irish dynasties

Irish Royal Families

The Irish Royal Families were dynasties who ruled large overkingdoms and smaller petty kingdoms on the island of Ireland over the last two millennia.-Locality:...

 and Viking Ireland, and has sponsored academic research on Irish genetics. He is a council member of the County Kildare Archaeological Society.

Through his mother's descent from the second Duke of Urach

Duke of Urach

The title Duke of Urach was created in the Kingdom of Württemberg for Friedrich Wilhelm Alexander Ferdinand, Count of Württemberg on 28 March 1867, with the style of HSH."Urach" is pronounced Oo-raakh -Family:...

, he is a potential claimant to the medieval Kingdom of Jerusalem

Kings of Jerusalem

This is a list of kings of Jerusalem, from 1099 to 1291, as well as claimants to the title up to the present day.-Kings of Jerusalem :...

, Kingdom of Lithuania

Kingdom of Lithuania (1918)

The Kingdom of Lithuania was a short-lived constitutional monarchy created towards the end of World War I when Lithuania was under occupation by the German Empire. The Council of Lithuania declared Lithuania's independence on February 16, 1918, but the Council was unable to form a government,...

 and to the Principality of Monaco (see Monaco Succession Crisis of 1918

Monaco Succession Crisis of 1918

The Monaco Succession Crisis of 1918 arose because France objected to the prospect of a German national inheriting the throne of Monaco, a nation which neighboured France on its Mediterranean coast. Albert I, Sovereign Prince of Monaco had only one legitimate child, the Hereditary Prince Louis,...

). He is also 2259th in line of succession to the British throne

Line of succession to the British Throne

The line of succession to the British throne is the ordered sequence of those people eligible to succeed to the throne of the United Kingdom and the other 15 Commonwealth realms. By the terms of the Act of Settlement 1701, the succession is limited to the descendants of the Electress Sophia of...

. In September 2010, he became a Knight of Justice of the Military and Hospitaller Order of St. Lazarus of Jerusalem (KLJ) at a ceremony in St. Patrick's Cathedral

St. Patrick's Cathedral

St. Patrick's Cathedral may refer to:Northern Ireland*St Patrick's Cathedral, Armagh *St Patrick's Cathedral, Armagh Republic of Ireland*St Patrick's Cathedral, Dublin, Church of IrelandAustralia...

in Dublin.