Person
'Abd Allah bin Abd al-'Aziz al-Marwanid
Abdullah Piedra Seca
Lifespan unknown
'Abd Allah bin Abd al-'Aziz al-Marwanid, also known as Abdullah Piedra Seca, was a governor of Toledo and Umayyad descendant who conspired against Almanzor but was spared execution.
Significance
Umayyad descendant and governor involved in conspiracy against Almanzor
Sources: Wikipedia and classical Islamic biographical literature compiled by automated researchers. Every page is being continuously refined — if something looks off, please check back in a few days.