Raj and Kishin Kumar, the father and son billionaire duo in Singapore, are establishing a family office in Abu Dhabi to manage their wealth in the Middle East, according to a Bloomberg report. Kishin said Abu Dhabi is strategically located and has an internationally recognised legal framework. The billionaire duo will set up the RB Family Office in Abu Dhabi Global Market, per the report. Kishin added that a family office in Abu Dhabi is a way to establish their presence and allows them to expand their investments in the UAE and the Middle East. Raj and Kishin are among Singapore’s leading landlords with their Royal Holdings and RB Capital property empire. Kishin is known as the youngest billionaire in the city-state with a net worth of USD1.6bn.