High Court Decision on Overseas Surrogacy and Trust Beneficiaries: A Legal Perspective

The recent High Court decision concerning the inclusion of a child born through an overseas surrogacy arrangement as a beneficiary of family trusts represents a significant development in the evolving relationship between trust law, succession planning, and modern methods of family formation.

The case arose from an application by Ceawlin Thynn, the 8th Marquess of Bath, and his wife, Emma Thynn, seeking the court’s approval for their son, Henry, to be included within the beneficial class of three family trusts. Although Henry was genetically the child of the couple, he was born in the United States through a surrogate mother in 2016. The legal issue centred on whether, under the wording of the historic trusts, Henry could properly fall within the meaning of “child”, “grandchild” or “issue”.

Historic Definitions and Common Law Interpretation

The court noted that the trusts in question retained pre-1970 common law terminology and had been drafted prior to the development of modern assisted reproductive technologies. At common law, the legal understanding of parenthood was traditionally based upon biological birth and legitimacy principles, concepts which did not contemplate surrogacy or donor-assisted conception.

Judge Paul Matthews observed that English law has never definitively determined the status of a child conceived using the genetic material of a married couple but carried and delivered by another woman. As such, the court proceeded on the basis that the child may have fallen outside the traditional beneficiary class under the strict wording of the trust instruments.

Rather than rewriting the trust provisions, the court instead considered whether the trustees were acting properly in exercising their discretionary powers to add Henry as a beneficiary. The court ultimately approved the proposed exercise of the trustees’ power of advancement, thereby granting judicial approval; often referred to as the court’s “blessing” for the trustees’ decision-making process.

The Role of Trustee Discretion and Judicial Approval

Legally, the decision is significant because it reinforces the principle that trustees may seek the court’s approval where complex or uncertain legal issues arise in the administration of trusts.

Applications of this nature commonly arise under the principles established in Public Trustee v Cooper [2001], where trustees seek confirmation that a proposed course of action falls within the proper exercise of their powers. The court does not substitute its own decision for that of the trustees; rather, it considers whether the trustees have acted rationally, properly considered relevant matters, and reached a decision open to a reasonable body of trustees.

In this case, the uncertainty surrounding Henry’s legal status under the trust wording created a legitimate basis for judicial scrutiny. The court’s approval therefore provided protection to the trustees in circumstances where future disputes regarding beneficiary entitlement could otherwise arise.

Implications for Trust and Estate Practitioners

From a private client perspective, the judgment serves as an important reminder of the risks posed by outdated drafting in wills and trusts.

Many longstanding settlements continue to rely upon traditional definitions of “children”, “issue” and “descendants” without addressing:

• surrogacy arrangements;
• donor conception;
• adopted children;
• posthumously conceived children; or
• international assisted reproduction.

Absent express drafting, trustees may face uncertainty regarding the scope of beneficiary classes and the extent of their discretionary powers. Such uncertainty may expose trustees to litigation risk or require costly applications to court for directions or approval.

Accordingly, practitioners should consider whether existing trust instruments and testamentary documents adequately reflect contemporary family structures. Modern drafting increasingly includes expanded definitions of family relationships together with express provisions addressing assisted reproduction and surrogacy.

Conclusion

The High Court’s decision reflects the growing tension between historic trust law concepts and the realities of modern family life. While the court was willing to approve the trustees’ proposed exercise of discretion in this case, the judgment also exposes the continuing absence of definitive legal authority regarding the status of children born through surrogacy arrangements within traditional trust structures.

As assisted reproduction becomes increasingly common, similar disputes are likely to arise with greater frequency. The case therefore serves as both a legal milestone and a practical warning for trustees, settlors, and private client practitioners to ensure that trust documentation evolves alongside modern family arrangements.

This is not legal advice; it is intended to provide information of general interest about current legal issues.

For further information please contact Manal Fouad on 020 8221 8038 or at manal.fouad@bowlinglaw.co.uk