sentences:  After their father's death, Friedrich Wilhelm and Michael, whose first marriages to commoners had ended in divorce, retracted their renunciations during their second marriages.Christian Sigismund's marriage having been recognised, he and his son remained Hohenzollern dynasts; nonetheless he joined his two surviving brothers in filing a lawsuit against Georg Friedrich to dissolve the Hohenzollern trust and obtain larger appanages.None of the three brothers attended their nephew's wedding in 2011, although Christian Sigismund's son and younger daughter were in attendance.