Mary Julia Koch, her siblings, and her mother came into the limelight when they inherited incredible wealth. Mary’s mother, Julia Koch is an American socialite and philanthropist and one of the wealthiest women in the world.

Mary Julia Koch’s Family

Mary Julia Koch is the daughter of one of the richest couple, David Koch and Julia Koch. She has two brothers named David Jr., and John Mark.

Julia Margaret Flesher Koch was born on April 12, 1962. Her family came from a farming background, but when she was born, her parents, Margaret and Frederic Flesher, owned a furniture store called Flesher’s. She spent her early childhood in Indianola, Iowa, then when she was eight years old her family moved to Arkansas, where her parents started a clothing store called Peggy Frederic’s. Julia met David Koch, a businessman, on a blind date in January 1991, but the date did not leave her with a good impression.

David Hamilton Koch was born May 3, 1940, in Wichita, Kansas, the son of Mary Clementine (née Robinson) and Fred Chase Koch, a chemical engineer. David’s paternal grandfather, Harry Koch, was a Dutch immigrant who founded the Quanah Tribune-Chief newspaper and was a founding shareholder of the Quanah, Acme, and Pacific Railway. David was the third of four sons, with elder brothers Frederick, Charles, and nineteen-minute-younger twin Bill. David & Julia met again at a party and started dating. After dating for a few years, they got married on 5th May 1996 at David’s house on Meadow Lane in Southampton.

David died at his home in Southampton, New York, on August 23, 2019, at the age of 79. Julia Koch and their three children: David Jr., Mary, and John, inherited 42% of Koch Industries.

Mary Julia Koch’s Net Worth

Mary Julia Koch is a celebrated personality and her family is listed among the wealthiest families in the world. Mary’s father, David Koch was an American businessman, political activist, philanthropist, and chemical engineer. His family business: Koch Industries, is the second largest privately held company in the United States. David was the fourth-richest person in the United States. As of June 2019, David was ranked as the 11th-richest person in the world with a fortune of $50.5 billion.

After David’s death, his wife Julia Koch and their three children including Mary, inherited 42% of Koch Industries. As a result, Julia was listed by Bloomberg as the richest woman in the world and was included on Forbes’ list of the 10 richest women in the world in 2020 with a net worth of $43.9 billion. Julia is known for her philanthropic work, particularly in the areas of education and the arts. She has served on the boards of numerous organizations, including the American Ballet Theatre, the School of American Ballet, and the Lincoln Center for the Performing Arts. She has also been a major donor to the Metropolitan Museum of Art and the Smithsonian Institution.