According to the Internet source given below, Jakob Banwart was a German composer born in Sigmaringen.
He was taught music by court organist, Daniel Bollius
and studied at Dillingen University taking his masters degree in 1631. Going to Konstanz in 1632 he performed musical duties at the court of Prince-Bishop John VI, Lord High Steward of Waldburg-Wolfegg. From 1641 until his death he was Kapellmeister of the cathedral.
He died in Konstanz.
||Biography by /www.oxfordmusiconline.com