The only daughter of one of Texas’ wealthiest cattle kings married a blueblood from Philadelphia on Jun. 18, 1902 in the family mansion at Decatur.Starting with a small herd of Longhorns in the 1850’s, Dan and son Tom Waggoner turned parts of six North Texas counties into a 750 square-mile cattle empire. At the end of the nineteenth century, the colossal Three D Ranch covered more th...