apron-string hold
noun- He resided at Staleck and the fief made was converted into an "apron-string hold" and hereditary fief, for the benefit of his wife and daughter; for that in opposition to the Emperor himself, he had remained firm to the Archbishop in a Diet held at Mainz.1872, W. O. von Horn, The Rhine: History and Legends of Its Castles, Abbeys, Monasteries, and Towns, J. Niedner, page 270: