▁didn ' t ▁stop ▁him ▁and ▁his ▁brothers ▁threaten ing ▁to ▁kill ▁Ros em ary ▁if ▁she ▁didn ' t ▁sign ▁Home ▁Farm ▁Est ates ▁over ▁to ▁them . ▁Terr ified , ▁Ros em ary ▁agreed ▁and ▁moved ▁into ▁Mill ▁C ott age ▁with ▁her ▁son ▁and ▁daughter - in - law . ▁ ▁The ▁most ▁defining ▁relationship ▁Matthew ▁had ▁was ▁with ▁P erd ita ▁Hy de - S inc la ir ▁( Ge org ia ▁S low e ). ▁Matthew ▁took ▁a ▁keen ▁interest ▁in ▁P erd ita , ▁having ▁had ▁a ▁one - night ▁stand ▁with ▁her . ▁This ▁deep ened ▁into ▁friendship ▁and ▁they ▁became ▁close , ▁supporting ▁each ▁other ▁when ▁necessary . ▁He ▁wanted ▁a ▁more ▁int imate ▁relationship ▁but ▁she ▁stayed ▁with ▁her ▁husband , ▁Gray son ▁S inc la ir ▁( Christ opher ▁Vill iers ). ▁Matthew ▁real ised ▁Ros em ary ▁was ▁responsible ▁for ▁P erd ita ' s ▁troubles ▁after ▁Ros em ary ▁dru gg ed ▁her ▁and ▁had ▁her ▁section ed . ▁He ▁supported ▁P erd ita ▁as ▁he ▁felt ▁responsible ▁for ▁Ros em ary ▁moving ▁into ▁Mill ▁C ott age ▁and ▁they ▁grew ▁closer . ▁P erd ita , ▁however , ▁strugg led ▁with ▁her ▁feelings ▁for ▁him ▁as ▁she ▁wanted ▁to ▁make ▁her ▁marriage ▁work , ▁especially ▁after ▁she ▁discovered ▁K atie ▁Sug den ▁( Sam my ▁Win ward ), ▁now ▁her ▁sur rog ate , ▁was ▁pre gn ant . ▁Matthew ▁st unn ed ▁P erd ita ▁by ▁telling ▁her ▁he