Dictionary of National Biography, 1885-1900/Sihtric (d.871)
SIHTRIC, SIGTRYGGR, or SIDROC (d. 871), is the name of two earls, surnamed respectively the Old and the Young, who headed (with Earls Osbearn, Fræna, and Harold) one division of the heathen host at the battle of Æscesdun (Ashdown), 871, opposed to the Etheling Alfred, and both fell there.
[A.-S. Chron. s.a. 871.]