With his brother owned about 40 percent of Cameron Iron Works, courtesy of trusts set up in 1967 by their grandfather and company founder J. S. Abercrombie. In 1989 the Houston oil toolmaker was acquired by Cooper Industries. Sons of Josephine Abercrombie, Houston’s well-known horsebreeder and former boxing promoter. Boys also play hard; Jamie used to collect antique combat planes; George drives race cars. Brothers own Robinson Interests, a venture capital and investment firm.