Rubuta ci gaba don wannan sakin layi - Hetty Balkenende (wanda aka rubuta Hettie, wanda aka haifa a 1939) tsohon dan wasan tseren ruwa ne mai zaman kansa kuma mai tseren ruwa ne daga Netherlands wanda ya lashe lambar azurfa a tseren tseren 4 × 100 m a gasar zakarun Turai ta 1954
Ka yi haƙuri. A cikin 1955, ta taimaka wa ƙungiyar Dutch don kafa tarihin duniya a cikin wannan taron; ta kuma lashe taken ƙasa guda biyu (100 m da 400 m freestyle), ta karya bayanan ƙasa guda biyu a cikin 400 m freestyle, da kuma tarihin duniya a kan yadi 880 <unk> duk a cikin shekara guda.