Coven number of persons involved may vary. Although some consider thirteen to be ideal (probably in deference to Murray's theories), any group of at least three can be a coven. A group of two is usually called a "working couple" (regardless of the sexes). Within the community, many believe that a coven larger than thirteen is unwieldy, citing unwieldy group dynamics and an unfair burden on the leadership. When a coven has grown too large to be manageable, it may split, or "hive". In Wicca, this may also occur when a newly made High Priest or High Priestess, also called 3rd
Witches (Discworld) the books are the Lancre Coven: Granny Weatherwax, Nanny Ogg, Magrat Garlick and later Agnes Nitt. A sub-series of young adult books introduced a new witch character, Tiffany Aching, who was gradually tied into the main Witch storyline as her series continued. Most fully qualified witches are known by the title of "Mistress". Senior witches, also known as 'Mistress', are known by honorary titles such as "Granny", "Nanny", "Nana", "Goodie/Goody", "Old Mother", etc. Starting with "Equal Rites" in 1987, the major novels featuring the witches are: The majority of Discworld Witches are seen in the Ramtops region of Discworld, and,