I whakaaro a Frederick William ki te marena i a Frederick ki a Elisabeth o Mecklenburg-Schwerin, te tuahine o te Empress Anna o Russia, engari i tino whakaheehia tenei mahere e Prince Eugene o Savoy. I whakaarohia e Frederick ia ki te marena ki a Maria Theresa o Austria hei utu mo te whakarere i te mana rangatira. Engari, i akiaki a Eugene ki a Frederick William, na Seckendorff, kia marena te rangatira rangatira ki a Elisabeth Christine o Brunswick-Bevern, he whanaunga Porotetani o nga Austrian Habsburgs. Ahakoa i tuhituhi a Frederick ki tana tuahine, "Kaore he aroha, he hoa aroha ranei i waenga i a maatau", ka whakaarohia e ia te whakamomori, i haere ia ki te marena i te 12 o Hune 1733. Ahakoa tenei, he iti noa iho tana hononga ki tana rangatira rangatira me te marena o te marena hei tauira mo te whakauru o nga mahi torangapu o Austria mai i te tau 1701. I te wa i kite a Frederick i te rangatira o Prussia i te tau 1740, i aukati ia i a ia ki te marena ki a Maria Theresa o Austria hei utu mo te whakar
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