439 U.S. 259 (1978)
Robert Lalli claims to be the illegitimate son of Mario Lalli, who died intestate on January 7, 1973, in New York.1 Robert’s mother, who died in 1968, was never married to Mario.2 After Mario’s widow, Rosamond Lalli, was appointed administratrix of the estate, Robert and his sister Maureen petitioned the Surrogate’s Court for Westchester County for a compulsory accounting, asserting their entitlement to inherit as Mario’s children.3
Rosamond Lalli opposed the petition.4 She argued that Robert and Maureen had not obtained an order of filiation during Mario’s lifetime as required by New York Estates, Powers, and Trusts Law § 4-1.2.5 Robert conceded the absence of such an order.6 He presented evidence. This included a notarized document in which Mario referred to him as “my son” when consenting to his marriage. There were also affidavits from individuals stating that Mario had openly acknowledged Robert and Maureen as his children.7
The Surrogate’s Court ruled that Robert and Maureen were excluded as distributees.8 On direct appeal, the New York Court of Appeals affirmed the decision.9 While the case was pending before the United States Supreme Court, the Court decided Trimble v. Gordon and vacated and remanded for further consideration.10
On remand, the New York Court of Appeals adhered to its prior disposition.11 The Supreme Court noted probable jurisdiction and heard the case.12
Whether New York Estates, Powers, and Trusts Law § 4-1.2, which requires an illegitimate child to obtain a judicial order of filiation during the father’s lifetime to inherit by intestate succession, violates the Equal Protection Clause of the Fourteenth Amendment?13
The Equal Protection Clause of the Fourteenth Amendment invalidates classifications based on illegitimacy unless they are substantially related to permissible state interests.14 Although such classifications do not trigger strict scrutiny, a statute imposing exceptional burdens on illegitimate children must be carefully tuned to the state's objectives rather than broadly disqualifying categories of children.15 The state's interest in the orderly disposition of property at death is substantial.16 It may justify a judicial decree of paternity during the father's lifetime as a means to ensure accurate proof and minimize disruption to estate administration.17
No. Robert Lalli did not obtain a judicial order of filiation during Mario Lalli's lifetime, and the statute bars inheritance absent that order.18 The requirement bears a substantial relation to New York's interest in the just and orderly disposition of estates because it places paternity disputes in a judicial forum while the father is available, creates a record before administration begins, and reduces the risk of fraudulent claims or delay.19 Although Robert presented evidence of acknowledgment, the statute does not inevitably disqualify an unnecessarily large number of illegitimate children, and the legislature's choice of a judicial order reflects a considered balance between inheritance rights and administrative needs.20
New York Estates, Powers, and Trusts Law § 4-1.2 does not violate the Equal Protection Clause of the Fourteenth Amendment.21
Related opinions on this issue
Justice Stewart concurred in the judgment.22 He found that Mr. Justice Powell’s opinion convincingly demonstrates the significant differences between the New York law at issue here and the Illinois law at issue in Trimble v. Gordon.23 Therefore, he could not agree with the view expressed in Mr. Justice Blackmun’s opinion concurring in the judgment that Trimble v. Gordon is now a derelict, or with the implication that in deciding the two cases the way it has this Court has failed to give authoritative guidance to the courts and legislatures of the several States.24
Justice Blackmun concurred in the judgment.25 He agreed with the result the Court reached and with much that has been said in the plurality opinion.26 Blackmun viewed the decision as gratifyingly reverting to the principles set forth in Labine v. Vincent, which he believed applies with equal force to the present case and to the Illinois situation in Trimble.27
He would overrule Trimble v. Gordon rather than distinguish it on the basis of statutory peculiarities.28 In his view, Trimble is a derelict explainable only because of the overtones of its appealing facts and offering little precedent for constitutional analysis of state intestate succession laws.29
Joined by Justices White, Marshall, And Stevens
Justice Brennan dissented, joined by Justices White, Marshall, and Stevens.30 He argued that Trimble declares the state interest in accurate and efficient determination of paternity can be adequately served by requiring the illegitimate child to offer a formal acknowledgment of paternity.31 The New York statute is inconsistent with this command because it requires a judicial finding of paternity during the father's lifetime rather than accepting formal acknowledgment.32
As a practical matter, the statute makes it virtually impossible for acknowledged and supported illegitimate children to inherit intestate.33 Social welfare agencies are unlikely to bring proceedings against supporting fathers, and children and mothers are unlikely to initiate adversary actions against them.34 Fathers who die intestate are also unlikely to pursue formal filiation orders themselves.35