It is given also in SYR.
"The Three Additions to Daniel, A Study"
William Heaford Daubney
And th'Earle of Surrey with SYR Thomas Wyat the most excellent makers of their time, more peraduenture respecting the fitnesse and ponderositie of their wordes then the true cadence or simphonie, were very licencious in this point.
"The Arte of English Poesie"
George Puttenham
She is thus called Mardoll, Horn, Gefn, and SYR, and also Vanadis.
"The Elder Eddas of Saemund Sigfusson; and the Younger Eddas of Snorre Sturleson"
Saemund Sigfusson and Snorre Sturleson