sentences:  Only now did Duke Friedrich (1616-1661), who had stayed in Metz, like his late father (succeeding him upon his death in 1635, far from Palatinate-Zweibrücken), dare return to Zweibrücken, nominally nine years after becoming Duke, and take over the task of government.It was a few more years before the Peace of Westphalia was concluded in 1648.After Friedrich's return from exile in Metz in 1644 and with the confirmation of Zweibrücken's privileges and freedoms early in 1642, the country's reconstruction began.