Ford Family Business Disclosed in Court Case
Rare glimpse into personal, legal and financial affairs of Ford family has been provided in papers filed in probate court, Detroit, Mich, in suit by Benson Ford Jr to get right to challenge his father's will; attorneys for widow of Benson Ford Sr and Benson Ford Jr, who has brought suit against her, have forced each other through depositions and discovery proceedings to reveal private correspondence and dealings that Ford family would rather have kept private; central figure who emerges in documents is attorney Pierre V Heftier of Bodman, Longley, Rogle, Armstrong and Dahling; he has drafted wills, overseen trusts and acted as friend to Ford family for over 3 decades; Heftier in '75 drafted some new provisions for Benson Ford Sr's will, in which share for his son of $7.5 million in stock was put in trust controlled by his mother; case also offers glimpse into how Ford Estates invested fortunes of family members in housing projects in major cities to provide tax shelters and tax writeoffs; case detailed (M)