1) It is certainly possible that yoour mother would havve to pay alimony to your father--nothing says that alimony has to be male to female. If your mother is the primary breadwinner and has been supporting him, then that would often entitle him to alimony.2) Whether he would have to pay child support depends in large part on who gets custody of you, as well as the exact ratio of balance of his income to her income. If she has earned almost all the money that has supported you, it's possible he would have to pay either no child support or minimal.The above are general principals or guidelines. For a definitive answer based on the specifics of her situation, your mother should consult with a family law attorney.