India, April 21 -- Alan Osmond, the oldest sibling of the renowned 1970s group Osmond Brothers, has passed away, as per a family member. He was 76.

Merrill Osmond, his brother and former bandmate, shared the news of Alan's death in a Facebook post early Tuesday morning. It is said that Alan died on Monday evening while surrounded by his family.

In a Facebook post, Merrill reflected on his meeting with Alan two days prior to his passing, sharing a heartfelt conversation "as brothers do," while also reminiscing about their musical achievements.

While the cause of death has not been disclosed, Alan had been battling multiple sclerosis since 1987. The illness has impacted his mobility and overall health throughout the years.

Multiple scle...