No, but I would to save two brothers or eight cousins. Reply when asked if he would give his life to save a drowning brother, as quoted in Mathematical Models of Social Evolution : A Guide for the Perplexed (2007) by Richard McElreath and Robert Boyd, p. 82; as you share on average half your alleles with a brother and one-eighth with a cousin, Haldane was giving the number of relatives one would have to save to "break even". - https://en.wikiquote.org/wiki/J._B._S._Haldane