Andrew Tanca was an obscure

Judge of Logudoro The kings or ''judges'' (''iudices'' or ''judikes'') of Logudoro (or Torres) were the local rulers of the ''locum de Torres'' or region (province) around Porto Torres, the chief northern port of Sardinia, during the Middle Ages. :''The identity, ...

in the mid-eleventh century. He may have reigned alongside his supposed father Barisone I between about 1064/1065 and 1073 or so. He was probably the father (alternatively, uncle or brother) of his probable successor, Marianus I. Little else is known for certain about him, but he was probably a donor to the

Abbey of Montecassino An abbey is a type of monastery used by members of a religious order under the governance of an abbot or abbess. Abbeys provide a complex of buildings and land for religious activities, work, and housing of Christian monks and nuns. The conce ...

Sources

*Manno, Giuseppe (1835).
Storia di Sardegna
'. P.M. Visaj. Judges (judikes) of Logudoro 11th-century Italian jurists {{Italy-noble-stub