(surviving spouse sold 8.49 acres to second wife and balance of farmland to LLC formed with son; six of the couple's nine children sued to set conveyances aside in attempt to divide mother's undivided 50 percent interest in entire acreage among the nine children; children based claim on argument that father possessed only life estate in 50 percent interest of predeceased spouse; thus, conveyances expired on his death with all nine children having an interest in predeceased mother's 50 percent interest unencumbered by claims of purchasers or mortgagors; farm owned in tenancy in common by spouses; upon wife's death, husband owned undivided 50 percent and life estate in other 50 percent with remainder to children; court noted that wife's will clearly gave husband power to sell real estate comprising wife's 50 percent undivided interest).