Plangent

plangent \ˈplan-jənt\ adjective: 1. having a loud reverberating sound {a plangent roar}, 2. having an expressive and especially plaintive quality {plangent lyrics}

Etymology: Latin plangent-, plangens, present participle of plangere to strike, lament

Could the House of Plantagenet be said to have been plangent in any way? A plangent Plantagenet?