Sonia Heyeur, Partner

heyeurA member of the Quebec Bar since 1984, Me Sonia Heyeur has developed a broad expertise in the prevention and resolution of child abduction and, over the past 20 years, in the field of international family law. For several years, she also worked in immigration law, and she acted as Immigration Judge (arbitre) from 1990 to 1992.

Me Heyeur is particularly invested in causes involving child abduction (parental kidnapping), the application of the Hague Convention, international family law and domestic family law.

Me Heyeur has spoken at several conferences for organizations including the Quebec Bar, the International Society on Family Law, the Société québécoise de droit international, the Organization for the Protection of Children's Rights and the Canadian Bar Association, always on the subjects of international child abduction and international family law.

Me Heyeur also collaborated to several publications, such as:

  • La loi sur les aspects civils de l'enlèvement international et interprovincial d'enfants et son application, Développements récents en droit familial, Montréal, Les Éditions Yvon Blais, 1995;
  • Le droit international privé de la famille, Développements récents en droit familial, Montréal, Les Éditions Yvon Blais, 2000;
  • International Kidnapping, section on the abduction of children in Quebec, Brill Publishers, 2007;
  • La médiation dans le cadre d'un enlèvement et non-retour tel que défini par la Convention sur les aspects civils de l'enlèvement international d'enfants de La Haye, Revue scientifique de l'AIFI, 2007;
  • Droit international privé de JuriClasseur, published by LexisNexis, 2012 (she collaborated on section 18 about divorce, legal separation and the obligation to provide support).

Professional associations

Me Heyeur is a member of the Association des avocates et avocats en droit de la famille du Québec (AAADFQ), the Reunite organization in the UK, the AIFI (Association internationale francophone des intervenants auprès des familles séparées) and the IAFL (International Academy of Family Lawyers).

Shannon Jessop, Partner

jessopA 2009 Université de Montréal graduate and member of the Quebec Bar since 2011, Me Jessop did her internship with Me Heyeur in 2010. Me Jessop is passionate about both domestic family law and international family law; she joined Me Heyeur's team in 2011 in a lawyer capacity.

In order to expand the practice and allow Heyeur Jessop to offer a new array of services, Me Jessop took part in family mediation training in 2014, as well as distance learning in international mediation.

She is fluent in French and English, and can communicate in Spanish and in Italian at an intermediate level. She also has some basic knowledge of German. Me Jessop has lived in Cracow, Poland, in 2004, and worked in Madrid, Spain, in 2005.

Amanda Gibeault, Lawyer

amandagibeaultMe Amanda Gibeault completed her Bachelor of common law and Bachelor of civil law at McGill in 2014, after completing a PhD in philosophy at Boston College. She articled with legal aid Montréal and was admitted to the Quebec Bar in the spring of 2015. In 2019, Me Gibeault became an accredited family mediator. 

Me Gibeault is invested in helping parents address their family law problems so that they can focus on their children and their lives, whether this be through prevention, mediation, negotiation, or litigation. She developed a particular passion for family law involving other jurisdictions: Applications to move with children, jurisdiction issues, child abduction, and the application of The Hague Convention.

Never too far from her academic roots, Me Gibeault teaches classes at McGill’s faculty of law in legal ethics, and in judicial institutions and civil procedure.

Me Gibeault is fluent in French and in English. She has lived in France, Massachusetts, Ontario and Quebec and has travelled widely throughout western and central Europe.

To reach us

HEYEUR JESSOP s.e.n.c.r.l.
442, Saint-Gabriel Street, suite 001
Montreal (Quebec)
H2Y 2Z9

Telephone : 514-284-5618
Metro : Place d'Armes Station