I did some more searching, and I think the answer is in the
2007 Hague convention
38. CONVENTION ON THE INTERNATIONAL RECOVERY OF CHILD SUPPORT AND OTHER FORMS OF FAMILY MAINTENANCE1
(Concluded 23 November 2007)
(1) This Convention shall apply –
a) to maintenance obligations arising from a parent-child relationship towards a person
under the age of 21 years;
b) to recognition and enforcement or enforcement of a decision for spousal support when
the application is made with a claim within the scope of sub-paragraph a); and
c) with the exception of Chapters II and III, to spousal support.
(2) Any Contracting State may reserve, in accordance with Article 62, the right to limit the
application of the Convention under sub-paragraph 1 a), to persons who have not attained the
age of 18 years. A Contracting State which makes this reservation shall not be entitled to claim
the application of the Convention to persons of the age excluded by its reservation.
(3) Any Contracting State may declare in accordance with Article 63 that it will extend the
application of the whole or any part of the Convention to any maintenance obligation arising
from a family relationship, parentage, marriage or affinity, including in particular obligations in
respect of vulnerable persons. Any such declaration shall give rise to obligations between two
Contracting States only in so far as their declarations cover the same maintenance obligations
and parts of the Convention.
(4) The provisions of this Convention shall apply to children regardless of the marital status of the
I also found this
2.3 The 2007 Hague Convention
The Hague Convention of 23 November 2007 on the International Recovery of Child Support and
other forms of Family Maintenance (the “2007 Convention”) will when ratified by the European
Union ensure the effective international recovery of child support and other forms of family
maintenance between all States party to the Convention. It will provide similar remedies to the
European Maintenance Regulation (see paragraph 2.5 below), except that the European Union has
decided Member States will operate the 2007 Convention for the time being with respect to child
and spousal maintenance only.
It seems to me that maintenance to parents is excluded, if I understood the text correctly.
Do you have an expert on EU conventions?