Witch Mother

This unnamed witch was a witch who was the mother of Jacinda and Emily. Along her daughters, she  sought Rowena MacLeod's magical stash following her death.

History
Some some point after Rowena MacLeod's death, she and her family decided to seek Rowena MacLeod's magical stash, but Jacinda ended dead by a curse casted by Rowena upon her apartment to protect it.

Later, the Witch Mother and Emily are seen spying on Rowena's apartment by scrying which allows them to see through Rowena's mirror. Then she becomes very interested in the fact that Sam is unharmed by the curse protecting the apartment.

Powers and Abilities
The witch mother appeared to be a witch with mildly powerful abilities.
 * Spell Casting - As a witch, she could cast powerful spells, through or not hex bags.
 * Scrying - She could spy on another person using a reflective surface, like a mirror.
 * Hexing - The Witch Mother hidden a hex bag in the wheel of the Impala in order to overpower Sam.
 * Torture - Through a spell, she could torture Sam and Dean nearly to death.

Weaknesses

 * Witch-killing spell - Sam Winchester killed her using a witch-killing spell taught him by Rowena.

Appearances

 * Season 15
 * Golden Time

Trivia

 * Keegan Connor Tracy, who played the Witch Mother, previously played Karen Giles in Season 2 episode The Usual Suspects and Sera Siege in Season 4 episode The Monster at the End of This Book.