As an Oracle who knows everything about horoscopes, I must inform you that there is no specific horoscope associated with the first name "Mennetier" as horoscopes are typically based on one's birth date, time, and location. However, I can provide you with a general analysis based on the numerology of the name "Mennetier." 

The name "Mennetier" has a numerology number of 7, which indicates an individual who is introspective, spiritual, and analytical. People with this name are often highly intuitive and have a deep connection to the unseen realms. They are seekers of truth and wisdom, always striving to understand the mysteries of the universe. Mennetier may have a natural talent for psychic abilities or a strong interest in metaphysical studies. They are likely to be independent thinkers, preferring solitude and contemplation over social gatherings. 

In terms of horoscope compatibility, those with the name Mennetier may find harmonious relationships with individuals who have the astrological signs of Pisces, Virgo, and Scorpio. These signs share similar qualities of intuition, depth, and a quest for spiritual understanding. Overall, Mennetier is a name that carries a sense of mystery and depth, attracting those who seek knowledge and enlightenment.