### Instruction:
Who are Kim Kardashian's siblings?

### Input:
Kimberly Noel Kardashian was born on October 21, 1980, in Los Angeles, California, to Robert and Kris Kardashian (née Houghton). She has an older sister, Kourtney, a younger sister, Khloé, and a younger brother, Rob. Their mother is of Dutch, English, Irish, and Scottish ancestry, while their father was a third-generation Armenian-American. In 1991, their parents divorced and their mother married Bruce Jenner, the 1976 Summer Olympics decathlon winner. As a result of her mother's remarriage, Kim Kardashian acquired step-brothers Burton "Burt", Brandon, and Brody; a step-sister, Casey; and later two half-sisters, Kendall and Kylie Jenner.

### Response:
Kim Kardashian has six siblings. Kourtney, Khloe, and Rob Kardashian are her three fully biological siblings. Burton, Brandon, Brody, and Casey Jenner are her four step-siblings. Kendall and Kylie Jenner are her two half-sisters.