Ubolratana Rajakanya was born 5 April 1951 in Lausanne, Vaud, Switzerland to Bhumibol Adulyadej (1927-2016) and Sirikit Kitiyakara (1932) . She married Peter Ladd Jensen (c1951) 25 July 1972 in San Diego, San Diego County, California, United States.
Children
| Name | Birth | Death | Joined with |
| Ploypailin Jensen (1981) | |||
| Bhumi Jensen (1983-2004) | |||
| Sirikitiya Jensen (1985) | |||
Siblings
| Name | Birth | Death | Joined with |
| Ubolratana Rajakanya (1951) | 5 April 1951 Lausanne, Vaud, Switzerland | Peter Ladd Jensen (c1951) | |
| Vajiralongkorn (1952) | 28 July 1952 Dusit District, Bangkok, Thailand (Dusit Palace) | Soamsawali Kitiyakara (1957) Yuvadhida Polpraserth (1962) Srirasmi Akarapongpreecha (1971) | |
| Sirindhorn (1955) | |||
| Chulabhorn Walailak (1957) | |||
Residences
Footnotes (including sources)