Did Guanyin Bodhisattva really exist in history or was it invented by people?

Guanyin already exists in the ancient Brahmin song Rigveda in India. Guanyin at that time was not a corpse or a daughter, but a pair of lovely twin ponies.

As a good god in Brahmanism, it symbolizes compassion, kindness and great power. It can make the eyes of the blind see again, patients recover, limbs are sound, infertile women give birth, bulls give birth, and dead trees bloom. Guanyin was widely believed and revered by ancient Indian subjects at that time, which had a great and far-reaching impact on the whole society.

Extended information Guanyin Bodhisattva was originally a person's image:

Buddhism was introduced into China at the end of the Western Han Dynasty (1st century AD) and flourished in China during the Wei, Jin, Southern and Northern Dynasties. Guanyin Bodhisattva came to China with the spread of Buddhism. When Guanyin Bodhisattva was introduced to China, it was already the left-handed follower of Amitabha, the founder of the Western Pure Land, in the Sutra of Infinite Life, Infinite Life and Amitabha.

According to Hua Yan Jing, a wealthy teenager visited Guanyin. In Luojiashan, Putuo, "I saw a brave husband enjoying himself and talking with the great bodhisattvas in the stone Gu Lin and diamonds." At this time, avalokitesvara Buddha was Amitabha's "follower" and "brave and comfortable", and Amitabha was born as a prince, not his daughter's avalokitesvara Buddha. Therefore, the statues and portraits of Guanyin Bodhisattva in the early days were all in the shape of a man and a man.