God set rules in place whereby the firstborn would receive the birthright. There are also instances in scripture when He bypassed the firstborn for a later son who received the blessing instead. Examples include David, Joseph, Jacob, and others. God is working out His purpose, and has the prerogative to select whomsoever He will to accomplish His goals.
Rex Sexton grew up in Illinois and graduated from Ambassador College in Big Sandy, TX in 1976. He began a career as a construction engineer in the Nuclear industry at Hanford, WA , and was hired full time in the ministry in 1982, and earned a Certified Financial Planner certification in 1994. He and his wife, Patricia, have served congregations in Oregon, Washington, and Alaska. In addition to pastoring responsibilities, they have also taught at and directed youth summer camps for many years. Rex has authored many articles for church publications over the years and produced or appeared in several hundred Television programs.