Zeta Phi Beta Sorority, Incorporated Mu Xi Zeta is the first Baltimore County Chapter incorporated in 1983. Mu Xi Zeta actively engage in accomplishing the founding principles' of Zeta Phi Bet Sorority, Incorporated which are Scholarship, Service, Sisterhood, and Finer Womanhood. Your support of our events ensures we continue to provide community services, scholarships to high school students going to college, and engaging activities. Mu Xi Zeta is known for hosting their annual crab feast,