In Diem Family Lawyers. Modification of Child Support. Divorce. Custody. Child Support Claim. Non-Payment of Pensions. Lawyers specializing in Family and Civil Law. IN DIEM. Seville, Málaga, Madrid, Las Palmas de Gran Canaria, Almería, Huelva, Tomares, Estepona, Mairena del Aljarafe, Mairena del Alcor, Dos Hermanas, Coria del Río. Marbella. Phone.