There is no exact age in the book, but I would guess mid 50s-60.
Dr. Grimesby Roylott is a fictional character from Sir Arthur Conan Doyle's "The Adventure of the Speckled Band." In the story, he is described as elderly, but his exact age is not specified.
Dr. Grimesby Roylott, a character in Sir Arthur Conan Doyle's "The Adventure of the Speckled Band," dies at the end of the story after being bitten by his own venomous snake.
Holmes and Dr. Grimesby Roylott
In the book "The Adventure of the Speckled Band" by Arthur Conan Doyle, Dr. Grimesby Roylott's motive was to maintain control over his stepdaughters' inheritance. By eliminating them, he would secure their money for himself.
Dr. Grimesby Roylott is a cunning and manipulative character in Arthur Conan Doyle's "The Adventure of the Speckled Band." He is portrayed as a menacing and violent man who is willing to do anything to protect his wealth and maintain control over his stepdaughters. Roylott is described as physically imposing, with a quick temper and a tendency towards cruelty.
Dr. Roylott's wife was named Mrs. Stoner.
Julia and Helen Stoner's mother passed away under mysterious circumstances. Dr. Grimesby Roylott, their stepfather, was suspected of being involved in her death, but there was not enough evidence to prove it.
Dr. Grimesby Roylott trains his snake to climb down a false bell pull to bit Julia Stoner in her sleep. So, while the snake's poison kills Julia Stoner, it is widely held that Dr. Roylott is her murderer. -Major Spoiler- At the end of the story, Holmes remarks that he feels no guilt for HIS responsibility in turning the snake on Dr. Roylott. This epitomizes the notion in detective fiction that poetic justice is justice. (Roylott dies at the wrong end of his own tactics)
Holmes vs. Dr. Roylott: Dr. Roylott stepped back swiftly forward, seized the poker, and it into curve with his huge brown hands, then Holmesstraightened it out again. Helen vs. Dr. Roylott: Dr. Roylott killed Julia and he wants to kill Helen. Dr. Roylott vs. Nature: Roylott shut himself up in his house and seldom came out save to indulge in ferocious quarrels with whoever might cross his path. Violence of temper approaching to mania has been hereditary in Roylott.
Either "Elementary!" or "Elementary, my dear Watson!"
Dr Roylott had spent a lot of time practicing medicine in India, which is where we assume he discovered his interest in poisonous snakes.
he is not going to worry about it "And also with the result of causing it to turn upon its master at the other side. Some of the blows of my cane came home, and roused its snakish temper, so that it flew upon the first person it saw. In this way I am no doubt indirectly responsible for Dr. Grimesby Roylott's death, and I cannot say that it is likely to weigh very heavily upon my conscience."
"Dr. Roylott then abandoned his attempts to establish himself in practice in London, and took us to live with him in the ancestral house at Stoke Moran." -- Helen Stoner