During the 19th century, members of the family founded Wayne Enterprises, a company which in oil and shipping and would grow into one of the largest conglomerates in the later decades. At some point, Thomas Wayne inherited Wayne Enterprises and met a woman named Martha and the two had a son named Bruce.
Bruce was initially left wealthy by his parents' estate. Wayne Enterprises is a consortium of different companies that produce everything from electronics to financial services. It's very profitable in its own right, in addition to the estate.
Dr. Thomas Wayne was the father of Bruce Wayne and husband of Martha Wayne. He was a well-known surgeon, philanthropist and CEO of Wayne Enterprises (which he inherited from his own father, after his father made patients on industrial technology, which he invested in real estate making the family billions).
Along with Wayne Manufacturing, which came later, the Industrial Revolution fueled Wayne Enterprises into becoming a major powerhouse. In addition to providing an income for Bruce Wayne, the various activities of the organization help facilitate his Batman activities in Gotham City.
Bruce Wayne, a character in the DC Comics universe is known for his immense wealth. His estimated fortune is around $9.2 billion. Making him one of the wealthiest individuals globally. This wealth was inherited from his parents, who were successful industrialists.
While Bruce Wayne sat at number six with an estimated $9.2 billion, Tony Stark was ranked fourth with $12.4 billion. And though both of these estimates are up for debate, the evidence certainly seems to bear out that Iron Man is indeed the richer of the two.
His Legitimate Heir Grayson enjoys his own identity as Nightwing, Tim has never wanted to be Batman, Jason has never expressed any interest, and Damian used to want to be Batman, but has seemingly grown out of this desire.
In the future of Batman Beyond, Wayne Enterprises is bought by Derek Powers and renamed Wayne-Powers Enterprises before Bruce eventually reclaims it.
DC has made it clear that Cassandra Cain is Batman's one true heir in several previous stories, with Detective Comics #1084 offering the latest confirmation that she is destined to take over the role when Bruce Wayne truly hangs up his cape and cowl.
While Bruce Wayne sat at number six with an estimated $9.2 billion, Tony Stark was ranked fourth with $12.4 billion. And though both of these estimates are up for debate, the evidence certainly seems to bear out that Iron Man is indeed the richer of the two.