Muskâs Brother Said He Wasnât Aware Elon Pushed SolarCity Deal Jul 15 2021, 7:00 PM July 14 2021, 9:18 PM July 15 2021, 7:00 PM (Bloomberg) -- Kimbal Musk, a Tesla Inc. board member, told a Delaware judge he didnât know his billionaire brother Elon Musk was pushing the company to quickly acquire SolarCity in 2016 and said he didnât give much weight to concerns about the solar-power providerâs financial problems.âI was unaware of my brotherâs activitiesâ surrounding the SolarCity deal, Kimbal Musk told Delaware Chancery Court Judge Joseph Slights III on Wednes... (Bloomberg) -- Kimbal Musk, a Tesla Inc. board member, told a Delaware judge he didnât know his billionaire brother Elon Musk was pushing the company to quickly acquire SolarCity in 2016 and said he didnât give much weight to concerns about the solar-power providerâs financial problems.