Australian novel. He became a recluse, but worked with cows? Was misunderstood and suspected of being a pedophile. Other brother went into a trade. Read around 2018-2022?

[Wendy]

Set in rural NSW Australia, in the 1940s to 1960s? Dad doesn’t return from the war. Mum and two boys. One boy is very talented painter. Mum’s old friend comes to stay and abuses the talented boy which tragically impacted his personality, and subsequently couldn’t talk to others. He became a recluse, but worked with cows? Was misunderstood and suspected of being a pedophile. Other brother went into a trade and lived a more conventional life. The painter’s output was prolific. He loved the big rock mountain and forest bordering the family property and took many hikes up to the peak. He died in a fierce bushfire and the art supplier found his paintings. I read this sometime between 2018 and 2022?
Topics: Child prodigy, brothers, sexual abuse, Australian country life 1940s to 1960s?