<sod>Alfonso married at least five times and had two mistresses.{{Sfn|Canal Sánchez-Pagín|1991|pp=11–40}}{{Sfn|Reilly|1988|p=}}{{Sfn|Salazar y Acha|1992–1993|pp=299–336}}{{Sfn|Palencia|1988|pp=281–90}} He is also thought to have been betrothed to a daughter of King [[William the Conqueror|William I of England]], but her name is uncertain.{{Sfn|Douglas|1964|pp=393–95}}<eod>
<sod>Alfonso married at least five times and had two mistresses, one of whom he may later have married.{{Sfn|Canal Sánchez-Pagín|1991|pp=11–40}}{{Sfn|Reilly|1988|p=}}{{Sfn|Salazar y Acha|1992–1993|pp=299–336}}{{Sfn|Palencia|1988|pp=281–90}} He is also thought to have been betrothed to a daughter of King [[William the Conqueror|William I of England]], but her name is uncertain.{{Sfn|Douglas|1964|pp=393–95}}<eod>